Home / 79,119,862.20-118,679,793.30-48,508,860.60

Finding the Fourth Proportional to 79,119,862.20, 118,679,793.30 and 48,508,860.60

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Solution

The fourth proportional to 79,119,862.20, 118,679,793.30 and 48,508,860.60 is: 72,763,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,119,862.20 : 118,679,793.30 = 48,508,860.60 : x
  2. Step 2: Convert to fraction form
    79,119,862.20/118,679,793.30 = 48,508,860.60/x
  3. Step 3: Cross multiply
    79,119,862.20x = 118,679,793.30 × 48,508,860.60
  4. Step 4: Simplify right side
    79,119,862.20x = 5,757,021,549,226,514
  5. Step 5: Solve for x
    x = 5,757,021,549,226,514/79,119,862.20
  6. Step 6: Final answer
    x = 72,763,290.90

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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.