Home / 80,924,165.40-121,386,248.10-53,714,386.20

Finding the Fourth Proportional to 80,924,165.40, 121,386,248.10 and 53,714,386.20

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Solution

The fourth proportional to 80,924,165.40, 121,386,248.10 and 53,714,386.20 is: 80,571,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,924,165.40 : 121,386,248.10 = 53,714,386.20 : x
  2. Step 2: Convert to fraction form
    80,924,165.40/121,386,248.10 = 53,714,386.20/x
  3. Step 3: Cross multiply
    80,924,165.40x = 121,386,248.10 × 53,714,386.20
  4. Step 4: Simplify right side
    80,924,165.40x = 6,520,187,809,812,416
  5. Step 5: Solve for x
    x = 6,520,187,809,812,416/80,924,165.40
  6. Step 6: Final answer
    x = 80,571,579.30

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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.