Home / 72,344,455.40-108,516,683.10-58,739,565.80

Finding the Fourth Proportional to 72,344,455.40, 108,516,683.10 and 58,739,565.80

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Solution

The fourth proportional to 72,344,455.40, 108,516,683.10 and 58,739,565.80 is: 88,109,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,344,455.40 : 108,516,683.10 = 58,739,565.80 : x
  2. Step 2: Convert to fraction form
    72,344,455.40/108,516,683.10 = 58,739,565.80/x
  3. Step 3: Cross multiply
    72,344,455.40x = 108,516,683.10 × 58,739,565.80
  4. Step 4: Simplify right side
    72,344,455.40x = 6,374,222,847,350,197
  5. Step 5: Solve for x
    x = 6,374,222,847,350,197/72,344,455.40
  6. Step 6: Final answer
    x = 88,109,348.70

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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.