Home / 57,020,132.32-78,689,442.80-32,239,787.20

Finding the Fourth Proportional to 57,020,132.32, 78,689,442.80 and 32,239,787.20

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Solution

The fourth proportional to 57,020,132.32, 78,689,442.80 and 32,239,787.20 is: 44,491,845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,020,132.32 : 78,689,442.80 = 32,239,787.20 : x
  2. Step 2: Convert to fraction form
    57,020,132.32/78,689,442.80 = 32,239,787.20/x
  3. Step 3: Cross multiply
    57,020,132.32x = 78,689,442.80 × 32,239,787.20
  4. Step 4: Simplify right side
    57,020,132.32x = 2,536,930,890,758,572
  5. Step 5: Solve for x
    x = 2,536,930,890,758,572/57,020,132.32
  6. Step 6: Final answer
    x = 44,491,845.03

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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.