Home / 261,729,098.40-392,593,647.60-89,400,496.80

Finding the Fourth Proportional to 261,729,098.40, 392,593,647.60 and 89,400,496.80

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Solution

The fourth proportional to 261,729,098.40, 392,593,647.60 and 89,400,496.80 is: 134,100,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,729,098.40 : 392,593,647.60 = 89,400,496.80 : x
  2. Step 2: Convert to fraction form
    261,729,098.40/392,593,647.60 = 89,400,496.80/x
  3. Step 3: Cross multiply
    261,729,098.40x = 392,593,647.60 × 89,400,496.80
  4. Step 4: Simplify right side
    261,729,098.40x = 35,098,067,135,964,128
  5. Step 5: Solve for x
    x = 35,098,067,135,964,128/261,729,098.40
  6. Step 6: Final answer
    x = 134,100,745.20

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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.