Home / 121,126,891.80-181,690,337.70-88,602,702.60

Finding the Fourth Proportional to 121,126,891.80, 181,690,337.70 and 88,602,702.60

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Solution

The fourth proportional to 121,126,891.80, 181,690,337.70 and 88,602,702.60 is: 132,904,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,126,891.80 : 181,690,337.70 = 88,602,702.60 : x
  2. Step 2: Convert to fraction form
    121,126,891.80/181,690,337.70 = 88,602,702.60/x
  3. Step 3: Cross multiply
    121,126,891.80x = 181,690,337.70 × 88,602,702.60
  4. Step 4: Simplify right side
    121,126,891.80x = 16,098,254,956,526,666
  5. Step 5: Solve for x
    x = 16,098,254,956,526,666/121,126,891.80
  6. Step 6: Final answer
    x = 132,904,053.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.