Home / 80,842,723.20-121,265,121.60-26,990,035.20

Finding the Fourth Proportional to 80,842,723.20, 121,265,121.60 and 26,990,035.20

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Solution

The fourth proportional to 80,842,723.20, 121,265,121.60 and 26,990,035.20 is: 40,485,398.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,842,723.20 : 121,265,121.60 = 26,990,035.20 : x
  2. Step 2: Convert to fraction form
    80,842,723.20/121,265,121.60 = 26,990,035.20/x
  3. Step 3: Cross multiply
    80,842,723.20x = 121,265,121.60 × 26,990,035.20
  4. Step 4: Simplify right side
    80,842,723.20x = 3,272,949,900,516,280
  5. Step 5: Solve for x
    x = 3,272,949,900,516,280/80,842,723.20
  6. Step 6: Final answer
    x = 40,485,398.94

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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.