Home / 216,013,672.55-298,003,872.96-126,660,008.14

Finding the Fourth Proportional to 216,013,672.55, 298,003,872.96 and 126,660,008.14

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Solution

The fourth proportional to 216,013,672.55, 298,003,872.96 and 126,660,008.14 is: 174,735,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,013,672.55 : 298,003,872.96 = 126,660,008.14 : x
  2. Step 2: Convert to fraction form
    216,013,672.55/298,003,872.96 = 126,660,008.14/x
  3. Step 3: Cross multiply
    216,013,672.55x = 298,003,872.96 × 126,660,008.14
  4. Step 4: Simplify right side
    216,013,672.55x = 37,745,172,974,120,112
  5. Step 5: Solve for x
    x = 37,745,172,974,120,112/216,013,672.55
  6. Step 6: Final answer
    x = 174,735,110.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.