Home / 87,945,146.64-131,937,986.43-30,437,418.47

Finding the Fourth Proportional to 87,945,146.64, 131,937,986.43 and 30,437,418.47

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Solution

The fourth proportional to 87,945,146.64, 131,937,986.43 and 30,437,418.47 is: 45,663,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,945,146.64 : 131,937,986.43 = 30,437,418.47 : x
  2. Step 2: Convert to fraction form
    87,945,146.64/131,937,986.43 = 30,437,418.47/x
  3. Step 3: Cross multiply
    87,945,146.64x = 131,937,986.43 × 30,437,418.47
  4. Step 4: Simplify right side
    87,945,146.64x = 4,015,851,704,399,401.50
  5. Step 5: Solve for x
    x = 4,015,851,704,399,401.50/87,945,146.64
  6. Step 6: Final answer
    x = 45,663,141.83

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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.