Home / 137,374,757.92-206,069,991.96-38,998,769.72

Finding the Fourth Proportional to 137,374,757.92, 206,069,991.96 and 38,998,769.72

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Solution

The fourth proportional to 137,374,757.92, 206,069,991.96 and 38,998,769.72 is: 58,500,384.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,374,757.92 : 206,069,991.96 = 38,998,769.72 : x
  2. Step 2: Convert to fraction form
    137,374,757.92/206,069,991.96 = 38,998,769.72/x
  3. Step 3: Cross multiply
    137,374,757.92x = 206,069,991.96 × 38,998,769.72
  4. Step 4: Simplify right side
    137,374,757.92x = 8,036,476,163,595,090
  5. Step 5: Solve for x
    x = 8,036,476,163,595,090/137,374,757.92
  6. Step 6: Final answer
    x = 58,500,384.54

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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.