Home / 99,708,614.72-137,620,846.57-58,468,793.12

Finding the Fourth Proportional to 99,708,614.72, 137,620,846.57 and 58,468,793.12

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Solution

The fourth proportional to 99,708,614.72, 137,620,846.57 and 58,468,793.12 is: 80,700,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,708,614.72 : 137,620,846.57 = 58,468,793.12 : x
  2. Step 2: Convert to fraction form
    99,708,614.72/137,620,846.57 = 58,468,793.12/x
  3. Step 3: Cross multiply
    99,708,614.72x = 137,620,846.57 × 58,468,793.12
  4. Step 4: Simplify right side
    99,708,614.72x = 8,046,524,806,808,247
  5. Step 5: Solve for x
    x = 8,046,524,806,808,247/99,708,614.72
  6. Step 6: Final answer
    x = 80,700,397.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.