Home / 72,584,006.20-108,876,009.30-65,193,695.80

Finding the Fourth Proportional to 72,584,006.20, 108,876,009.30 and 65,193,695.80

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Solution

The fourth proportional to 72,584,006.20, 108,876,009.30 and 65,193,695.80 is: 97,790,543.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,584,006.20 : 108,876,009.30 = 65,193,695.80 : x
  2. Step 2: Convert to fraction form
    72,584,006.20/108,876,009.30 = 65,193,695.80/x
  3. Step 3: Cross multiply
    72,584,006.20x = 108,876,009.30 × 65,193,695.80
  4. Step 4: Simplify right side
    72,584,006.20x = 7,098,029,430,222,170
  5. Step 5: Solve for x
    x = 7,098,029,430,222,170/72,584,006.20
  6. Step 6: Final answer
    x = 97,790,543.70

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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.