Home / 71,721,953,406.04-98,976,333,273.86-39,169,612,693.71

Finding the Fourth Proportional to 71,721,953,406.04, 98,976,333,273.86 and 39,169,612,693.71

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Solution

The fourth proportional to 71,721,953,406.04, 98,976,333,273.86 and 39,169,612,693.71 is: 54,054,086,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,721,953,406.04 : 98,976,333,273.86 = 39,169,612,693.71 : x
  2. Step 2: Convert to fraction form
    71,721,953,406.04/98,976,333,273.86 = 39,169,612,693.71/x
  3. Step 3: Cross multiply
    71,721,953,406.04x = 98,976,333,273.86 × 39,169,612,693.71
  4. Step 4: Simplify right side
    71,721,953,406.04x = 3,876,864,640,180,814,872,576
  5. Step 5: Solve for x
    x = 3,876,864,640,180,814,872,576/71,721,953,406.04
  6. Step 6: Final answer
    x = 54,054,086,037.40

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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.