Home / 121,936,470.13-182,866,158.92-40,041,847.81

Finding the Fourth Proportional to 121,936,470.13, 182,866,158.92 and 40,041,847.81

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Solution

The fourth proportional to 121,936,470.13, 182,866,158.92 and 40,041,847.81 is: 60,050,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,936,470.13 : 182,866,158.92 = 40,041,847.81 : x
  2. Step 2: Convert to fraction form
    121,936,470.13/182,866,158.92 = 40,041,847.81/x
  3. Step 3: Cross multiply
    121,936,470.13x = 182,866,158.92 × 40,041,847.81
  4. Step 4: Simplify right side
    121,936,470.13x = 7,322,298,904,873,705
  5. Step 5: Solve for x
    x = 7,322,298,904,873,705/121,936,470.13
  6. Step 6: Final answer
    x = 60,050,113.78

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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.