Home / 83,414,224.80-125,121,337.20-80,013,002.40

Finding the Fourth Proportional to 83,414,224.80, 125,121,337.20 and 80,013,002.40

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Solution

The fourth proportional to 83,414,224.80, 125,121,337.20 and 80,013,002.40 is: 120,019,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,414,224.80 : 125,121,337.20 = 80,013,002.40 : x
  2. Step 2: Convert to fraction form
    83,414,224.80/125,121,337.20 = 80,013,002.40/x
  3. Step 3: Cross multiply
    83,414,224.80x = 125,121,337.20 × 80,013,002.40
  4. Step 4: Simplify right side
    83,414,224.80x = 10,011,333,853,674,810
  5. Step 5: Solve for x
    x = 10,011,333,853,674,810/83,414,224.80
  6. Step 6: Final answer
    x = 120,019,503.60

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1.5x scale

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.