Home / 87,945,148.14-131,937,988.68-30,437,419.97

Finding the Fourth Proportional to 87,945,148.14, 131,937,988.68 and 30,437,419.97

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Solution

The fourth proportional to 87,945,148.14, 131,937,988.68 and 30,437,419.97 is: 45,663,144.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,945,148.14 : 131,937,988.68 = 30,437,419.97 : x
  2. Step 2: Convert to fraction form
    87,945,148.14/131,937,988.68 = 30,437,419.97/x
  3. Step 3: Cross multiply
    87,945,148.14x = 131,937,988.68 × 30,437,419.97
  4. Step 4: Simplify right side
    87,945,148.14x = 4,015,851,970,790,576
  5. Step 5: Solve for x
    x = 4,015,851,970,790,576/87,945,148.14
  6. Step 6: Final answer
    x = 45,663,144.08

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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.