Home / 87,945,127.21-131,937,957.32-30,437,399.06

Finding the Fourth Proportional to 87,945,127.21, 131,937,957.32 and 30,437,399.06

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Solution

The fourth proportional to 87,945,127.21, 131,937,957.32 and 30,437,399.06 is: 45,663,112.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,945,127.21 : 131,937,957.32 = 30,437,399.06 : x
  2. Step 2: Convert to fraction form
    87,945,127.21/131,937,957.32 = 30,437,399.06/x
  3. Step 3: Cross multiply
    87,945,127.21x = 131,937,957.32 × 30,437,399.06
  4. Step 4: Simplify right side
    87,945,127.21x = 4,015,848,257,964,341
  5. Step 5: Solve for x
    x = 4,015,848,257,964,341/87,945,127.21
  6. Step 6: Final answer
    x = 45,663,112.73

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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.