Home / 87,480,669.20-131,258,328.60-42,019,062.80

Finding the Fourth Proportional to 87,480,669.20, 131,258,328.60 and 42,019,062.80

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Solution

The fourth proportional to 87,480,669.20, 131,258,328.60 and 42,019,062.80 is: 63,046,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480,669.20 : 131,258,328.60 = 42,019,062.80 : x
  2. Step 2: Convert to fraction form
    87,480,669.20/131,258,328.60 = 42,019,062.80/x
  3. Step 3: Cross multiply
    87,480,669.20x = 131,258,328.60 × 42,019,062.80
  4. Step 4: Simplify right side
    87,480,669.20x = 5,515,351,952,466,435
  5. Step 5: Solve for x
    x = 5,515,351,952,466,435/87,480,669.20
  6. Step 6: Final answer
    x = 63,046,522.20

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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.