Home / 87,480,655.20-131,258,307.60-42,019,048.80

Finding the Fourth Proportional to 87,480,655.20, 131,258,307.60 and 42,019,048.80

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Solution

The fourth proportional to 87,480,655.20, 131,258,307.60 and 42,019,048.80 is: 63,046,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480,655.20 : 131,258,307.60 = 42,019,048.80 : x
  2. Step 2: Convert to fraction form
    87,480,655.20/131,258,307.60 = 42,019,048.80/x
  3. Step 3: Cross multiply
    87,480,655.20x = 131,258,307.60 × 42,019,048.80
  4. Step 4: Simplify right side
    87,480,655.20x = 5,515,349,232,449,810
  5. Step 5: Solve for x
    x = 5,515,349,232,449,810/87,480,655.20
  6. Step 6: Final answer
    x = 63,046,501.19

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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.