Home / 138,442,033.68-207,647,187.48-36,215,938.32

Finding the Fourth Proportional to 138,442,033.68, 207,647,187.48 and 36,215,938.32

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Solution

The fourth proportional to 138,442,033.68, 207,647,187.48 and 36,215,938.32 is: 54,319,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,442,033.68 : 207,647,187.48 = 36,215,938.32 : x
  2. Step 2: Convert to fraction form
    138,442,033.68/207,647,187.48 = 36,215,938.32/x
  3. Step 3: Cross multiply
    138,442,033.68x = 207,647,187.48 × 36,215,938.32
  4. Step 4: Simplify right side
    138,442,033.68x = 7,520,137,734,097,156
  5. Step 5: Solve for x
    x = 7,520,137,734,097,156/138,442,033.68
  6. Step 6: Final answer
    x = 54,319,757.77

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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.