Home / 99,708,606.45-137,620,835.10-58,468,784.85

Finding the Fourth Proportional to 99,708,606.45, 137,620,835.10 and 58,468,784.85

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Solution

The fourth proportional to 99,708,606.45, 137,620,835.10 and 58,468,784.85 is: 80,700,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,708,606.45 : 137,620,835.10 = 58,468,784.85 : x
  2. Step 2: Convert to fraction form
    99,708,606.45/137,620,835.10 = 58,468,784.85/x
  3. Step 3: Cross multiply
    99,708,606.45x = 137,620,835.10 × 58,468,784.85
  4. Step 4: Simplify right side
    99,708,606.45x = 8,046,522,998,339,228
  5. Step 5: Solve for x
    x = 8,046,522,998,339,228/99,708,606.45
  6. Step 6: Final answer
    x = 80,700,385.70

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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.