Home / 98,869,439.92-148,389,540.36-68,598,560.56

Finding the Fourth Proportional to 98,869,439.92, 148,389,540.36 and 68,598,560.56

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Solution

The fourth proportional to 98,869,439.92, 148,389,540.36 and 68,598,560.56 is: 102,957,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,869,439.92 : 148,389,540.36 = 68,598,560.56 : x
  2. Step 2: Convert to fraction form
    98,869,439.92/148,389,540.36 = 68,598,560.56/x
  3. Step 3: Cross multiply
    98,869,439.92x = 148,389,540.36 × 68,598,560.56
  4. Step 4: Simplify right side
    98,869,439.92x = 10,179,308,870,856,026
  5. Step 5: Solve for x
    x = 10,179,308,870,856,026/98,869,439.92
  6. Step 6: Final answer
    x = 102,957,080.36

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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.