Home / 87,480,448.20-131,220,672.30-70,474,336.20

Finding the Fourth Proportional to 87,480,448.20, 131,220,672.30 and 70,474,336.20

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Solution

The fourth proportional to 87,480,448.20, 131,220,672.30 and 70,474,336.20 is: 105,711,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480,448.20 : 131,220,672.30 = 70,474,336.20 : x
  2. Step 2: Convert to fraction form
    87,480,448.20/131,220,672.30 = 70,474,336.20/x
  3. Step 3: Cross multiply
    87,480,448.20x = 131,220,672.30 × 70,474,336.20
  4. Step 4: Simplify right side
    87,480,448.20x = 9,247,689,776,060,228
  5. Step 5: Solve for x
    x = 9,247,689,776,060,228/87,480,448.20
  6. Step 6: Final answer
    x = 105,711,504.30

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Double scale
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Similar ratio
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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.