Home / 146,677,716,074.70-220,016,574,112.05-142,545,230,858.70

Finding the Fourth Proportional to 146,677,716,074.70, 220,016,574,112.05 and 142,545,230,858.70

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Solution

The fourth proportional to 146,677,716,074.70, 220,016,574,112.05 and 142,545,230,858.70 is: 213,817,846,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,677,716,074.70 : 220,016,574,112.05 = 142,545,230,858.70 : x
  2. Step 2: Convert to fraction form
    146,677,716,074.70/220,016,574,112.05 = 142,545,230,858.70/x
  3. Step 3: Cross multiply
    146,677,716,074.70x = 220,016,574,112.05 × 142,545,230,858.70
  4. Step 4: Simplify right side
    146,677,716,074.70x = 31,362,313,349,542,445,056,000
  5. Step 5: Solve for x
    x = 31,362,313,349,542,445,056,000/146,677,716,074.70
  6. Step 6: Final answer
    x = 213,817,846,288.05

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Double scale
Find fourth proportional to 146,677,716,075.70, 220,016,574,113.55 and 142,545,230,859.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.