Home / 66,378,757.76-99,545,109.12-23,247,009.92

Finding the Fourth Proportional to 66,378,757.76, 99,545,109.12 and 23,247,009.92

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Solution

The fourth proportional to 66,378,757.76, 99,545,109.12 and 23,247,009.92 is: 34,862,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,378,757.76 : 99,545,109.12 = 23,247,009.92 : x
  2. Step 2: Convert to fraction form
    66,378,757.76/99,545,109.12 = 23,247,009.92/x
  3. Step 3: Cross multiply
    66,378,757.76x = 99,545,109.12 × 23,247,009.92
  4. Step 4: Simplify right side
    66,378,757.76x = 2,314,126,139,200,123
  5. Step 5: Solve for x
    x = 2,314,126,139,200,123/66,378,757.76
  6. Step 6: Final answer
    x = 34,862,450.24

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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.