Home / 89,991,755.92-135,036,775.50-38,168,297.56

Finding the Fourth Proportional to 89,991,755.92, 135,036,775.50 and 38,168,297.56

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Solution

The fourth proportional to 89,991,755.92, 135,036,775.50 and 38,168,297.56 is: 57,273,288.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,991,755.92 : 135,036,775.50 = 38,168,297.56 : x
  2. Step 2: Convert to fraction form
    89,991,755.92/135,036,775.50 = 38,168,297.56/x
  3. Step 3: Cross multiply
    89,991,755.92x = 135,036,775.50 × 38,168,297.56
  4. Step 4: Simplify right side
    89,991,755.92x = 5,154,123,828,826,918
  5. Step 5: Solve for x
    x = 5,154,123,828,826,918/89,991,755.92
  6. Step 6: Final answer
    x = 57,273,288.83

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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.