Home / 138,511,689.96-207,761,411.34-36,273,464.04

Finding the Fourth Proportional to 138,511,689.96, 207,761,411.34 and 36,273,464.04

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Solution

The fourth proportional to 138,511,689.96, 207,761,411.34 and 36,273,464.04 is: 54,408,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,511,689.96 : 207,761,411.34 = 36,273,464.04 : x
  2. Step 2: Convert to fraction form
    138,511,689.96/207,761,411.34 = 36,273,464.04/x
  3. Step 3: Cross multiply
    138,511,689.96x = 207,761,411.34 × 36,273,464.04
  4. Step 4: Simplify right side
    138,511,689.96x = 7,536,226,083,141,138
  5. Step 5: Solve for x
    x = 7,536,226,083,141,138/138,511,689.96
  6. Step 6: Final answer
    x = 54,408,592.41

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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.