Home / 83,555,660.40-125,333,490.60-65,415,807.60

Finding the Fourth Proportional to 83,555,660.40, 125,333,490.60 and 65,415,807.60

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Solution

The fourth proportional to 83,555,660.40, 125,333,490.60 and 65,415,807.60 is: 98,123,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,555,660.40 : 125,333,490.60 = 65,415,807.60 : x
  2. Step 2: Convert to fraction form
    83,555,660.40/125,333,490.60 = 65,415,807.60/x
  3. Step 3: Cross multiply
    83,555,660.40x = 125,333,490.60 × 65,415,807.60
  4. Step 4: Simplify right side
    83,555,660.40x = 8,198,791,506,926,008
  5. Step 5: Solve for x
    x = 8,198,791,506,926,008/83,555,660.40
  6. Step 6: Final answer
    x = 98,123,711.40

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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.