Home / 61,008,121.20-91,512,108.28-15,569,920.56

Finding the Fourth Proportional to 61,008,121.20, 91,512,108.28 and 15,569,920.56

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Solution

The fourth proportional to 61,008,121.20, 91,512,108.28 and 15,569,920.56 is: 23,354,862.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,008,121.20 : 91,512,108.28 = 15,569,920.56 : x
  2. Step 2: Convert to fraction form
    61,008,121.20/91,512,108.28 = 15,569,920.56/x
  3. Step 3: Cross multiply
    61,008,121.20x = 91,512,108.28 × 15,569,920.56
  4. Step 4: Simplify right side
    61,008,121.20x = 1,424,836,256,197,718.25
  5. Step 5: Solve for x
    x = 1,424,836,256,197,718.25/61,008,121.20
  6. Step 6: Final answer
    x = 23,354,862.08

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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.