Home / 68,911,744.32-103,235,146.72-38,527,462.72

Finding the Fourth Proportional to 68,911,744.32, 103,235,146.72 and 38,527,462.72

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Solution

The fourth proportional to 68,911,744.32, 103,235,146.72 and 38,527,462.72 is: 57,717,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,911,744.32 : 103,235,146.72 = 38,527,462.72 : x
  2. Step 2: Convert to fraction form
    68,911,744.32/103,235,146.72 = 38,527,462.72/x
  3. Step 3: Cross multiply
    68,911,744.32x = 103,235,146.72 × 38,527,462.72
  4. Step 4: Simplify right side
    68,911,744.32x = 3,977,388,266,648,530
  5. Step 5: Solve for x
    x = 3,977,388,266,648,530/68,911,744.32
  6. Step 6: Final answer
    x = 57,717,132.34

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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.