Home / 87,480,475.20-131,220,712.80-70,474,363.20

Finding the Fourth Proportional to 87,480,475.20, 131,220,712.80 and 70,474,363.20

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Solution

The fourth proportional to 87,480,475.20, 131,220,712.80 and 70,474,363.20 is: 105,711,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480,475.20 : 131,220,712.80 = 70,474,363.20 : x
  2. Step 2: Convert to fraction form
    87,480,475.20/131,220,712.80 = 70,474,363.20/x
  3. Step 3: Cross multiply
    87,480,475.20x = 131,220,712.80 × 70,474,363.20
  4. Step 4: Simplify right side
    87,480,475.20x = 9,247,696,173,230,090
  5. Step 5: Solve for x
    x = 9,247,696,173,230,090/87,480,475.20
  6. Step 6: Final answer
    x = 105,711,544.80

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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.