Home / 137,374,758.92-206,069,993.46-38,998,770.72

Finding the Fourth Proportional to 137,374,758.92, 206,069,993.46 and 38,998,770.72

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Solution

The fourth proportional to 137,374,758.92, 206,069,993.46 and 38,998,770.72 is: 58,500,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,374,758.92 : 206,069,993.46 = 38,998,770.72 : x
  2. Step 2: Convert to fraction form
    137,374,758.92/206,069,993.46 = 38,998,770.72/x
  3. Step 3: Cross multiply
    137,374,758.92x = 206,069,993.46 × 38,998,770.72
  4. Step 4: Simplify right side
    137,374,758.92x = 8,036,476,427,218,440
  5. Step 5: Solve for x
    x = 8,036,476,427,218,440/137,374,758.92
  6. Step 6: Final answer
    x = 58,500,386.03

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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.