Home / 68,299,618.40-102,413,998.20-25,146,609.20

Finding the Fourth Proportional to 68,299,618.40, 102,413,998.20 and 25,146,609.20

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Solution

The fourth proportional to 68,299,618.40, 102,413,998.20 and 25,146,609.20 is: 37,706,869.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,299,618.40 : 102,413,998.20 = 25,146,609.20 : x
  2. Step 2: Convert to fraction form
    68,299,618.40/102,413,998.20 = 25,146,609.20/x
  3. Step 3: Cross multiply
    68,299,618.40x = 102,413,998.20 × 25,146,609.20
  4. Step 4: Simplify right side
    68,299,618.40x = 2,575,364,789,344,903.50
  5. Step 5: Solve for x
    x = 2,575,364,789,344,903.50/68,299,618.40
  6. Step 6: Final answer
    x = 37,706,869.37

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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.