Home / 98,561,610.81-147,831,121.17-25,785,416.88

Finding the Fourth Proportional to 98,561,610.81, 147,831,121.17 and 25,785,416.88

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Solution

The fourth proportional to 98,561,610.81, 147,831,121.17 and 25,785,416.88 is: 38,675,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,561,610.81 : 147,831,121.17 = 25,785,416.88 : x
  2. Step 2: Convert to fraction form
    98,561,610.81/147,831,121.17 = 25,785,416.88/x
  3. Step 3: Cross multiply
    98,561,610.81x = 147,831,121.17 × 25,785,416.88
  4. Step 4: Simplify right side
    98,561,610.81x = 3,811,887,087,206,243
  5. Step 5: Solve for x
    x = 3,811,887,087,206,243/98,561,610.81
  6. Step 6: Final answer
    x = 38,675,170.34

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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.