Home / 128,932,229.70-193,398,344.55-88,117,560.90

Finding the Fourth Proportional to 128,932,229.70, 193,398,344.55 and 88,117,560.90

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Solution

The fourth proportional to 128,932,229.70, 193,398,344.55 and 88,117,560.90 is: 132,176,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,932,229.70 : 193,398,344.55 = 88,117,560.90 : x
  2. Step 2: Convert to fraction form
    128,932,229.70/193,398,344.55 = 88,117,560.90/x
  3. Step 3: Cross multiply
    128,932,229.70x = 193,398,344.55 × 88,117,560.90
  4. Step 4: Simplify right side
    128,932,229.70x = 17,041,790,403,843,810
  5. Step 5: Solve for x
    x = 17,041,790,403,843,810/128,932,229.70
  6. Step 6: Final answer
    x = 132,176,341.35

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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.