Home / 100,153,145.70-150,229,718.55-61,889,393.70

Finding the Fourth Proportional to 100,153,145.70, 150,229,718.55 and 61,889,393.70

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Solution

The fourth proportional to 100,153,145.70, 150,229,718.55 and 61,889,393.70 is: 92,834,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,153,145.70 : 150,229,718.55 = 61,889,393.70 : x
  2. Step 2: Convert to fraction form
    100,153,145.70/150,229,718.55 = 61,889,393.70/x
  3. Step 3: Cross multiply
    100,153,145.70x = 150,229,718.55 × 61,889,393.70
  4. Step 4: Simplify right side
    100,153,145.70x = 9,297,626,196,781,144
  5. Step 5: Solve for x
    x = 9,297,626,196,781,144/100,153,145.70
  6. Step 6: Final answer
    x = 92,834,090.55

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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.