Home / 112,422,510.66-155,131,120.77-62,178,745.20

Finding the Fourth Proportional to 112,422,510.66, 155,131,120.77 and 62,178,745.20

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Solution

The fourth proportional to 112,422,510.66, 155,131,120.77 and 62,178,745.20 is: 85,800,062.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,422,510.66 : 155,131,120.77 = 62,178,745.20 : x
  2. Step 2: Convert to fraction form
    112,422,510.66/155,131,120.77 = 62,178,745.20/x
  3. Step 3: Cross multiply
    112,422,510.66x = 155,131,120.77 × 62,178,745.20
  4. Step 4: Simplify right side
    112,422,510.66x = 9,645,858,430,948,258
  5. Step 5: Solve for x
    x = 9,645,858,430,948,258/112,422,510.66
  6. Step 6: Final answer
    x = 85,800,062.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.