Home / 247,823,387.98-342,002,725.60-136,317,101.66

Finding the Fourth Proportional to 247,823,387.98, 342,002,725.60 and 136,317,101.66

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Solution

The fourth proportional to 247,823,387.98, 342,002,725.60 and 136,317,101.66 is: 188,121,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,823,387.98 : 342,002,725.60 = 136,317,101.66 : x
  2. Step 2: Convert to fraction form
    247,823,387.98/342,002,725.60 = 136,317,101.66/x
  3. Step 3: Cross multiply
    247,823,387.98x = 342,002,725.60 × 136,317,101.66
  4. Step 4: Simplify right side
    247,823,387.98x = 46,620,820,313,612,288
  5. Step 5: Solve for x
    x = 46,620,820,313,612,288/247,823,387.98
  6. Step 6: Final answer
    x = 188,121,148.26

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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.