Home / 87,497,839.28-120,576,518.52-63,005,305.52

Finding the Fourth Proportional to 87,497,839.28, 120,576,518.52 and 63,005,305.52

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Solution

The fourth proportional to 87,497,839.28, 120,576,518.52 and 63,005,305.52 is: 86,824,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,497,839.28 : 120,576,518.52 = 63,005,305.52 : x
  2. Step 2: Convert to fraction form
    87,497,839.28/120,576,518.52 = 63,005,305.52/x
  3. Step 3: Cross multiply
    87,497,839.28x = 120,576,518.52 × 63,005,305.52
  4. Step 4: Simplify right side
    87,497,839.28x = 7,596,960,387,890,538
  5. Step 5: Solve for x
    x = 7,596,960,387,890,538/87,497,839.28
  6. Step 6: Final answer
    x = 86,824,548.47

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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.