Home / 83,148,524.20-124,656,431.10-35,240,069.80

Finding the Fourth Proportional to 83,148,524.20, 124,656,431.10 and 35,240,069.80

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Solution

The fourth proportional to 83,148,524.20, 124,656,431.10 and 35,240,069.80 is: 52,831,981.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,148,524.20 : 124,656,431.10 = 35,240,069.80 : x
  2. Step 2: Convert to fraction form
    83,148,524.20/124,656,431.10 = 35,240,069.80/x
  3. Step 3: Cross multiply
    83,148,524.20x = 124,656,431.10 × 35,240,069.80
  4. Step 4: Simplify right side
    83,148,524.20x = 4,392,901,332,982,890
  5. Step 5: Solve for x
    x = 4,392,901,332,982,890/83,148,524.20
  6. Step 6: Final answer
    x = 52,831,981.99

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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.