Home / 91,462,878.53-126,044,339.21-89,781,753.50

Finding the Fourth Proportional to 91,462,878.53, 126,044,339.21 and 89,781,753.50

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Solution

The fourth proportional to 91,462,878.53, 126,044,339.21 and 89,781,753.50 is: 123,727,592.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,462,878.53 : 126,044,339.21 = 89,781,753.50 : x
  2. Step 2: Convert to fraction form
    91,462,878.53/126,044,339.21 = 89,781,753.50/x
  3. Step 3: Cross multiply
    91,462,878.53x = 126,044,339.21 × 89,781,753.50
  4. Step 4: Simplify right side
    91,462,878.53x = 11,316,481,793,022,604
  5. Step 5: Solve for x
    x = 11,316,481,793,022,604/91,462,878.53
  6. Step 6: Final answer
    x = 123,727,592.82

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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.