Home / 269,438,899.11-371,755,415.75-157,869,794.87

Finding the Fourth Proportional to 269,438,899.11, 371,755,415.75 and 157,869,794.87

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Solution

The fourth proportional to 269,438,899.11, 371,755,415.75 and 157,869,794.87 is: 217,819,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,438,899.11 : 371,755,415.75 = 157,869,794.87 : x
  2. Step 2: Convert to fraction form
    269,438,899.11/371,755,415.75 = 157,869,794.87/x
  3. Step 3: Cross multiply
    269,438,899.11x = 371,755,415.75 × 157,869,794.87
  4. Step 4: Simplify right side
    269,438,899.11x = 58,688,951,226,264,072
  5. Step 5: Solve for x
    x = 58,688,951,226,264,072/269,438,899.11
  6. Step 6: Final answer
    x = 217,819,147.20

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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.