Home / 91,462,879.52-126,044,340.60-89,781,754.50

Finding the Fourth Proportional to 91,462,879.52, 126,044,340.60 and 89,781,754.50

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Solution

The fourth proportional to 91,462,879.52, 126,044,340.60 and 89,781,754.50 is: 123,727,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,462,879.52 : 126,044,340.60 = 89,781,754.50 : x
  2. Step 2: Convert to fraction form
    91,462,879.52/126,044,340.60 = 89,781,754.50/x
  3. Step 3: Cross multiply
    91,462,879.52x = 126,044,340.60 × 89,781,754.50
  4. Step 4: Simplify right side
    91,462,879.52x = 11,316,482,043,863,582
  5. Step 5: Solve for x
    x = 11,316,482,043,863,582/91,462,879.52
  6. Step 6: Final answer
    x = 123,727,594.22

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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.