Home / 71,721,953,411.42-98,976,333,281.28-39,169,612,699.13

Finding the Fourth Proportional to 71,721,953,411.42, 98,976,333,281.28 and 39,169,612,699.13

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Solution

The fourth proportional to 71,721,953,411.42, 98,976,333,281.28 and 39,169,612,699.13 is: 54,054,086,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,721,953,411.42 : 98,976,333,281.28 = 39,169,612,699.13 : x
  2. Step 2: Convert to fraction form
    71,721,953,411.42/98,976,333,281.28 = 39,169,612,699.13/x
  3. Step 3: Cross multiply
    71,721,953,411.42x = 98,976,333,281.28 × 39,169,612,699.13
  4. Step 4: Simplify right side
    71,721,953,411.42x = 3,876,864,641,007,748,120,576
  5. Step 5: Solve for x
    x = 3,876,864,641,007,748,120,576/71,721,953,411.42
  6. Step 6: Final answer
    x = 54,054,086,044.88

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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.