Home / 278,831,121.44-418,157,947.20-92,050,286.96

Finding the Fourth Proportional to 278,831,121.44, 418,157,947.20 and 92,050,286.96

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Solution

The fourth proportional to 278,831,121.44, 418,157,947.20 and 92,050,286.96 is: 138,046,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,831,121.44 : 418,157,947.20 = 92,050,286.96 : x
  2. Step 2: Convert to fraction form
    278,831,121.44/418,157,947.20 = 92,050,286.96/x
  3. Step 3: Cross multiply
    278,831,121.44x = 418,157,947.20 × 92,050,286.96
  4. Step 4: Simplify right side
    278,831,121.44x = 38,491,559,034,364,528
  5. Step 5: Solve for x
    x = 38,491,559,034,364,528/278,831,121.44
  6. Step 6: Final answer
    x = 138,046,136.44

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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.