Home / 99,708,667.20-137,620,919.04-58,468,845.60

Finding the Fourth Proportional to 99,708,667.20, 137,620,919.04 and 58,468,845.60

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Solution

The fourth proportional to 99,708,667.20, 137,620,919.04 and 58,468,845.60 is: 80,700,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,708,667.20 : 137,620,919.04 = 58,468,845.60 : x
  2. Step 2: Convert to fraction form
    99,708,667.20/137,620,919.04 = 58,468,845.60/x
  3. Step 3: Cross multiply
    99,708,667.20x = 137,620,919.04 × 58,468,845.60
  4. Step 4: Simplify right side
    99,708,667.20x = 8,046,536,266,679,860
  5. Step 5: Solve for x
    x = 8,046,536,266,679,860/99,708,667.20
  6. Step 6: Final answer
    x = 80,700,469.60

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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.