Home / 99,630,004.80-149,473,000.80-48,513,691.20

Finding the Fourth Proportional to 99,630,004.80, 149,473,000.80 and 48,513,691.20

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Solution

The fourth proportional to 99,630,004.80, 149,473,000.80 and 48,513,691.20 is: 72,784,167.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,630,004.80 : 149,473,000.80 = 48,513,691.20 : x
  2. Step 2: Convert to fraction form
    99,630,004.80/149,473,000.80 = 48,513,691.20/x
  3. Step 3: Cross multiply
    99,630,004.80x = 149,473,000.80 × 48,513,691.20
  4. Step 4: Simplify right side
    99,630,004.80x = 7,251,487,003,548,554
  5. Step 5: Solve for x
    x = 7,251,487,003,548,554/99,630,004.80
  6. Step 6: Final answer
    x = 72,784,167.96

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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.