Home / 145,175,229.76-217,805,359.44-42,941,989.76

Finding the Fourth Proportional to 145,175,229.76, 217,805,359.44 and 42,941,989.76

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Solution

The fourth proportional to 145,175,229.76, 217,805,359.44 and 42,941,989.76 is: 64,425,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,175,229.76 : 217,805,359.44 = 42,941,989.76 : x
  2. Step 2: Convert to fraction form
    145,175,229.76/217,805,359.44 = 42,941,989.76/x
  3. Step 3: Cross multiply
    145,175,229.76x = 217,805,359.44 × 42,941,989.76
  4. Step 4: Simplify right side
    145,175,229.76x = 9,352,995,514,745,598
  5. Step 5: Solve for x
    x = 9,352,995,514,745,598/145,175,229.76
  6. Step 6: Final answer
    x = 64,425,560.27

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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.