Home / 268,272,093.20-402,408,139.80-222,922,461.20

Finding the Fourth Proportional to 268,272,093.20, 402,408,139.80 and 222,922,461.20

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Solution

The fourth proportional to 268,272,093.20, 402,408,139.80 and 222,922,461.20 is: 334,383,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,093.20 : 402,408,139.80 = 222,922,461.20 : x
  2. Step 2: Convert to fraction form
    268,272,093.20/402,408,139.80 = 222,922,461.20/x
  3. Step 3: Cross multiply
    268,272,093.20x = 402,408,139.80 × 222,922,461.20
  4. Step 4: Simplify right side
    268,272,093.20x = 89,705,812,931,129,680
  5. Step 5: Solve for x
    x = 89,705,812,931,129,680/268,272,093.20
  6. Step 6: Final answer
    x = 334,383,691.80

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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.