Home / 268,272,015.80-402,408,023.70-95,943,414.20

Finding the Fourth Proportional to 268,272,015.80, 402,408,023.70 and 95,943,414.20

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Solution

The fourth proportional to 268,272,015.80, 402,408,023.70 and 95,943,414.20 is: 143,915,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,015.80 : 402,408,023.70 = 95,943,414.20 : x
  2. Step 2: Convert to fraction form
    268,272,015.80/402,408,023.70 = 95,943,414.20/x
  3. Step 3: Cross multiply
    268,272,015.80x = 402,408,023.70 × 95,943,414.20
  4. Step 4: Simplify right side
    268,272,015.80x = 38,608,399,695,252,520
  5. Step 5: Solve for x
    x = 38,608,399,695,252,520/268,272,015.80
  6. Step 6: Final answer
    x = 143,915,121.30

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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.