Home / 72,760,545.90-109,140,818.85-65,586,092.40

Finding the Fourth Proportional to 72,760,545.90, 109,140,818.85 and 65,586,092.40

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Solution

The fourth proportional to 72,760,545.90, 109,140,818.85 and 65,586,092.40 is: 98,379,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,760,545.90 : 109,140,818.85 = 65,586,092.40 : x
  2. Step 2: Convert to fraction form
    72,760,545.90/109,140,818.85 = 65,586,092.40/x
  3. Step 3: Cross multiply
    72,760,545.90x = 109,140,818.85 × 65,586,092.40
  4. Step 4: Simplify right side
    72,760,545.90x = 7,158,119,829,707,761
  5. Step 5: Solve for x
    x = 7,158,119,829,707,761/72,760,545.90
  6. Step 6: Final answer
    x = 98,379,138.60

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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.