Home / 145,149,094.88-217,614,175.68-87,627,700.88

Finding the Fourth Proportional to 145,149,094.88, 217,614,175.68 and 87,627,700.88

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Solution

The fourth proportional to 145,149,094.88, 217,614,175.68 and 87,627,700.88 is: 131,375,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,149,094.88 : 217,614,175.68 = 87,627,700.88 : x
  2. Step 2: Convert to fraction form
    145,149,094.88/217,614,175.68 = 87,627,700.88/x
  3. Step 3: Cross multiply
    145,149,094.88x = 217,614,175.68 × 87,627,700.88
  4. Step 4: Simplify right side
    145,149,094.88x = 19,069,029,893,734,812
  5. Step 5: Solve for x
    x = 19,069,029,893,734,812/145,149,094.88
  6. Step 6: Final answer
    x = 131,375,465.41

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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.