Home / 71,721,953,406.38-98,976,333,274.28-39,169,612,694.04

Finding the Fourth Proportional to 71,721,953,406.38, 98,976,333,274.28 and 39,169,612,694.04

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Solution

The fourth proportional to 71,721,953,406.38, 98,976,333,274.28 and 39,169,612,694.04 is: 54,054,086,037.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,721,953,406.38 : 98,976,333,274.28 = 39,169,612,694.04 : x
  2. Step 2: Convert to fraction form
    71,721,953,406.38/98,976,333,274.28 = 39,169,612,694.04/x
  3. Step 3: Cross multiply
    71,721,953,406.38x = 98,976,333,274.28 × 39,169,612,694.04
  4. Step 4: Simplify right side
    71,721,953,406.38x = 3,876,864,640,229,575,753,728
  5. Step 5: Solve for x
    x = 3,876,864,640,229,575,753,728/71,721,953,406.38
  6. Step 6: Final answer
    x = 54,054,086,037.83

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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.