Home / 247,627,891.98-371,443,420.92-72,750,210.66

Finding the Fourth Proportional to 247,627,891.98, 371,443,420.92 and 72,750,210.66

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Solution

The fourth proportional to 247,627,891.98, 371,443,420.92 and 72,750,210.66 is: 109,125,781.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,627,891.98 : 371,443,420.92 = 72,750,210.66 : x
  2. Step 2: Convert to fraction form
    247,627,891.98/371,443,420.92 = 72,750,210.66/x
  3. Step 3: Cross multiply
    247,627,891.98x = 371,443,420.92 × 72,750,210.66
  4. Step 4: Simplify right side
    247,627,891.98x = 27,022,587,120,201,052
  5. Step 5: Solve for x
    x = 27,022,587,120,201,052/247,627,891.98
  6. Step 6: Final answer
    x = 109,125,781.04

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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.