Home / 247,964,370.79-371,947,321.05-61,218,335.29

Finding the Fourth Proportional to 247,964,370.79, 371,947,321.05 and 61,218,335.29

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Solution

The fourth proportional to 247,964,370.79, 371,947,321.05 and 61,218,335.29 is: 91,827,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,964,370.79 : 371,947,321.05 = 61,218,335.29 : x
  2. Step 2: Convert to fraction form
    247,964,370.79/371,947,321.05 = 61,218,335.29/x
  3. Step 3: Cross multiply
    247,964,370.79x = 371,947,321.05 × 61,218,335.29
  4. Step 4: Simplify right side
    247,964,370.79x = 22,769,995,810,256,176
  5. Step 5: Solve for x
    x = 22,769,995,810,256,176/247,964,370.79
  6. Step 6: Final answer
    x = 91,827,691.77

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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.