Home / 82,721,151.10-124,081,726.65-22,136,877.10

Finding the Fourth Proportional to 82,721,151.10, 124,081,726.65 and 22,136,877.10

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Solution

The fourth proportional to 82,721,151.10, 124,081,726.65 and 22,136,877.10 is: 33,205,315.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,721,151.10 : 124,081,726.65 = 22,136,877.10 : x
  2. Step 2: Convert to fraction form
    82,721,151.10/124,081,726.65 = 22,136,877.10/x
  3. Step 3: Cross multiply
    82,721,151.10x = 124,081,726.65 × 22,136,877.10
  4. Step 4: Simplify right side
    82,721,151.10x = 2,746,781,933,206,845
  5. Step 5: Solve for x
    x = 2,746,781,933,206,845/82,721,151.10
  6. Step 6: Final answer
    x = 33,205,315.65

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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.