Home / 80,924,167.40-121,386,251.10-53,714,388.20

Finding the Fourth Proportional to 80,924,167.40, 121,386,251.10 and 53,714,388.20

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Solution

The fourth proportional to 80,924,167.40, 121,386,251.10 and 53,714,388.20 is: 80,571,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,924,167.40 : 121,386,251.10 = 53,714,388.20 : x
  2. Step 2: Convert to fraction form
    80,924,167.40/121,386,251.10 = 53,714,388.20/x
  3. Step 3: Cross multiply
    80,924,167.40x = 121,386,251.10 × 53,714,388.20
  4. Step 4: Simplify right side
    80,924,167.40x = 6,520,188,213,728,077
  5. Step 5: Solve for x
    x = 6,520,188,213,728,077/80,924,167.40
  6. Step 6: Final answer
    x = 80,571,582.30

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1.5x scale

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.