Home / 80,074,005.20-120,111,007.80-46,061,781.20

Finding the Fourth Proportional to 80,074,005.20, 120,111,007.80 and 46,061,781.20

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Solution

The fourth proportional to 80,074,005.20, 120,111,007.80 and 46,061,781.20 is: 69,092,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,074,005.20 : 120,111,007.80 = 46,061,781.20 : x
  2. Step 2: Convert to fraction form
    80,074,005.20/120,111,007.80 = 46,061,781.20/x
  3. Step 3: Cross multiply
    80,074,005.20x = 120,111,007.80 × 46,061,781.20
  4. Step 4: Simplify right side
    80,074,005.20x = 5,532,526,960,995,094
  5. Step 5: Solve for x
    x = 5,532,526,960,995,094/80,074,005.20
  6. Step 6: Final answer
    x = 69,092,671.80

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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.