Home / 87,563,937.40-131,345,906.10-55,315,310.20

Finding the Fourth Proportional to 87,563,937.40, 131,345,906.10 and 55,315,310.20

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Solution

The fourth proportional to 87,563,937.40, 131,345,906.10 and 55,315,310.20 is: 82,972,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,563,937.40 : 131,345,906.10 = 55,315,310.20 : x
  2. Step 2: Convert to fraction form
    87,563,937.40/131,345,906.10 = 55,315,310.20/x
  3. Step 3: Cross multiply
    87,563,937.40x = 131,345,906.10 × 55,315,310.20
  4. Step 4: Simplify right side
    87,563,937.40x = 7,265,439,539,421,572
  5. Step 5: Solve for x
    x = 7,265,439,539,421,572/87,563,937.40
  6. Step 6: Final answer
    x = 82,972,965.30

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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.