Home / 162,981,646.56-224,918,927.36-89,644,713.12

Finding the Fourth Proportional to 162,981,646.56, 224,918,927.36 and 89,644,713.12

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Solution

The fourth proportional to 162,981,646.56, 224,918,927.36 and 89,644,713.12 is: 123,712,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,981,646.56 : 224,918,927.36 = 89,644,713.12 : x
  2. Step 2: Convert to fraction form
    162,981,646.56/224,918,927.36 = 89,644,713.12/x
  3. Step 3: Cross multiply
    162,981,646.56x = 224,918,927.36 × 89,644,713.12
  4. Step 4: Simplify right side
    162,981,646.56x = 20,162,792,718,445,320
  5. Step 5: Solve for x
    x = 20,162,792,718,445,320/162,981,646.56
  6. Step 6: Final answer
    x = 123,712,044.54

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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.