Home / 142,095,520-196,093,453.08-83,359,184.32

Finding the Fourth Proportional to 142,095,520, 196,093,453.08 and 83,359,184.32

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Solution

The fourth proportional to 142,095,520, 196,093,453.08 and 83,359,184.32 is: 115,036,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,095,520 : 196,093,453.08 = 83,359,184.32 : x
  2. Step 2: Convert to fraction form
    142,095,520/196,093,453.08 = 83,359,184.32/x
  3. Step 3: Cross multiply
    142,095,520x = 196,093,453.08 × 83,359,184.32
  4. Step 4: Simplify right side
    142,095,520x = 16,346,190,299,240,992
  5. Step 5: Solve for x
    x = 16,346,190,299,240,992/142,095,520
  6. Step 6: Final answer
    x = 115,036,633.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.