Home / 99,682,858.70-149,417,999.85-38,248,279.10

Finding the Fourth Proportional to 99,682,858.70, 149,417,999.85 and 38,248,279.10

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Solution

The fourth proportional to 99,682,858.70, 149,417,999.85 and 38,248,279.10 is: 57,331,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,682,858.70 : 149,417,999.85 = 38,248,279.10 : x
  2. Step 2: Convert to fraction form
    99,682,858.70/149,417,999.85 = 38,248,279.10/x
  3. Step 3: Cross multiply
    99,682,858.70x = 149,417,999.85 × 38,248,279.10
  4. Step 4: Simplify right side
    99,682,858.70x = 5,714,981,360,826,558
  5. Step 5: Solve for x
    x = 5,714,981,360,826,558/99,682,858.70
  6. Step 6: Final answer
    x = 57,331,635.90

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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.