Home / 87,660,040.20-131,490,060.30-42,310,408.20

Finding the Fourth Proportional to 87,660,040.20, 131,490,060.30 and 42,310,408.20

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Solution

The fourth proportional to 87,660,040.20, 131,490,060.30 and 42,310,408.20 is: 63,465,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,660,040.20 : 131,490,060.30 = 42,310,408.20 : x
  2. Step 2: Convert to fraction form
    87,660,040.20/131,490,060.30 = 42,310,408.20/x
  3. Step 3: Cross multiply
    87,660,040.20x = 131,490,060.30 × 42,310,408.20
  4. Step 4: Simplify right side
    87,660,040.20x = 5,563,398,125,535,615
  5. Step 5: Solve for x
    x = 5,563,398,125,535,615/87,660,040.20
  6. Step 6: Final answer
    x = 63,465,612.30

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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.