Home / 122,542,510.40-183,561,823.20-84,247,265.60

Finding the Fourth Proportional to 122,542,510.40, 183,561,823.20 and 84,247,265.60

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Solution

The fourth proportional to 122,542,510.40, 183,561,823.20 and 84,247,265.60 is: 126,197,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,542,510.40 : 183,561,823.20 = 84,247,265.60 : x
  2. Step 2: Convert to fraction form
    122,542,510.40/183,561,823.20 = 84,247,265.60/x
  3. Step 3: Cross multiply
    122,542,510.40x = 183,561,823.20 × 84,247,265.60
  4. Step 4: Simplify right side
    122,542,510.40x = 15,464,581,673,150,640
  5. Step 5: Solve for x
    x = 15,464,581,673,150,640/122,542,510.40
  6. Step 6: Final answer
    x = 126,197,689.46

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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.