Home / 124,798,755.47-172,221,005.61-69,044,574.87

Finding the Fourth Proportional to 124,798,755.47, 172,221,005.61 and 69,044,574.87

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Solution

The fourth proportional to 124,798,755.47, 172,221,005.61 and 69,044,574.87 is: 95,280,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,798,755.47 : 172,221,005.61 = 69,044,574.87 : x
  2. Step 2: Convert to fraction form
    124,798,755.47/172,221,005.61 = 69,044,574.87/x
  3. Step 3: Cross multiply
    124,798,755.47x = 172,221,005.61 × 69,044,574.87
  4. Step 4: Simplify right side
    124,798,755.47x = 11,890,926,116,026,336
  5. Step 5: Solve for x
    x = 11,890,926,116,026,336/124,798,755.47
  6. Step 6: Final answer
    x = 95,280,806.86

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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.