Home / 80,986,449.30-121,490,329.95-29,904,350.10

Finding the Fourth Proportional to 80,986,449.30, 121,490,329.95 and 29,904,350.10

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Solution

The fourth proportional to 80,986,449.30, 121,490,329.95 and 29,904,350.10 is: 44,860,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,986,449.30 : 121,490,329.95 = 29,904,350.10 : x
  2. Step 2: Convert to fraction form
    80,986,449.30/121,490,329.95 = 29,904,350.10/x
  3. Step 3: Cross multiply
    80,986,449.30x = 121,490,329.95 × 29,904,350.10
  4. Step 4: Simplify right side
    80,986,449.30x = 3,633,089,360,589,316
  5. Step 5: Solve for x
    x = 3,633,089,360,589,316/80,986,449.30
  6. Step 6: Final answer
    x = 44,860,459.89

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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.