Home / 87,970,862.40-132,019,279.20-36,889,540.80

Finding the Fourth Proportional to 87,970,862.40, 132,019,279.20 and 36,889,540.80

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Solution

The fourth proportional to 87,970,862.40, 132,019,279.20 and 36,889,540.80 is: 55,360,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,970,862.40 : 132,019,279.20 = 36,889,540.80 : x
  2. Step 2: Convert to fraction form
    87,970,862.40/132,019,279.20 = 36,889,540.80/x
  3. Step 3: Cross multiply
    87,970,862.40x = 132,019,279.20 × 36,889,540.80
  4. Step 4: Simplify right side
    87,970,862.40x = 4,870,130,586,434,991
  5. Step 5: Solve for x
    x = 4,870,130,586,434,991/87,970,862.40
  6. Step 6: Final answer
    x = 55,360,723.47

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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.