Home / 61,008,129.20-91,512,120.24-15,569,928.56

Finding the Fourth Proportional to 61,008,129.20, 91,512,120.24 and 15,569,928.56

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Solution

The fourth proportional to 61,008,129.20, 91,512,120.24 and 15,569,928.56 is: 23,354,874.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,008,129.20 : 91,512,120.24 = 15,569,928.56 : x
  2. Step 2: Convert to fraction form
    61,008,129.20/91,512,120.24 = 15,569,928.56/x
  3. Step 3: Cross multiply
    61,008,129.20x = 91,512,120.24 × 15,569,928.56
  4. Step 4: Simplify right side
    61,008,129.20x = 1,424,837,174,510,930
  5. Step 5: Solve for x
    x = 1,424,837,174,510,930/61,008,129.20
  6. Step 6: Final answer
    x = 23,354,874.07

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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.