Home / 272,791,391.22-409,445,780.49-168,846,171.39

Finding the Fourth Proportional to 272,791,391.22, 409,445,780.49 and 168,846,171.39

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Solution

The fourth proportional to 272,791,391.22, 409,445,780.49 and 168,846,171.39 is: 253,429,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,791,391.22 : 409,445,780.49 = 168,846,171.39 : x
  2. Step 2: Convert to fraction form
    272,791,391.22/409,445,780.49 = 168,846,171.39/x
  3. Step 3: Cross multiply
    272,791,391.22x = 409,445,780.49 × 168,846,171.39
  4. Step 4: Simplify right side
    272,791,391.22x = 69,133,352,427,526,856
  5. Step 5: Solve for x
    x = 69,133,352,427,526,856/272,791,391.22
  6. Step 6: Final answer
    x = 253,429,377.37

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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.