Home / 80,496,023.40-120,744,035.10-74,827,319.40

Finding the Fourth Proportional to 80,496,023.40, 120,744,035.10 and 74,827,319.40

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Solution

The fourth proportional to 80,496,023.40, 120,744,035.10 and 74,827,319.40 is: 112,240,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,496,023.40 : 120,744,035.10 = 74,827,319.40 : x
  2. Step 2: Convert to fraction form
    80,496,023.40/120,744,035.10 = 74,827,319.40/x
  3. Step 3: Cross multiply
    80,496,023.40x = 120,744,035.10 × 74,827,319.40
  4. Step 4: Simplify right side
    80,496,023.40x = 9,034,952,480,072,512
  5. Step 5: Solve for x
    x = 9,034,952,480,072,512/80,496,023.40
  6. Step 6: Final answer
    x = 112,240,979.10

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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.