Home / 72,423,502.80-108,635,254.20-49,465,251.60

Finding the Fourth Proportional to 72,423,502.80, 108,635,254.20 and 49,465,251.60

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Solution

The fourth proportional to 72,423,502.80, 108,635,254.20 and 49,465,251.60 is: 74,197,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,423,502.80 : 108,635,254.20 = 49,465,251.60 : x
  2. Step 2: Convert to fraction form
    72,423,502.80/108,635,254.20 = 49,465,251.60/x
  3. Step 3: Cross multiply
    72,423,502.80x = 108,635,254.20 × 49,465,251.60
  4. Step 4: Simplify right side
    72,423,502.80x = 5,373,670,181,632,957
  5. Step 5: Solve for x
    x = 5,373,670,181,632,957/72,423,502.80
  6. Step 6: Final answer
    x = 74,197,877.40

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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.