Home / 90,697,787.28-136,125,293.04-47,597,441.04

Finding the Fourth Proportional to 90,697,787.28, 136,125,293.04 and 47,597,441.04

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Solution

The fourth proportional to 90,697,787.28, 136,125,293.04 and 47,597,441.04 is: 71,437,416.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,697,787.28 : 136,125,293.04 = 47,597,441.04 : x
  2. Step 2: Convert to fraction form
    90,697,787.28/136,125,293.04 = 47,597,441.04/x
  3. Step 3: Cross multiply
    90,697,787.28x = 136,125,293.04 × 47,597,441.04
  4. Step 4: Simplify right side
    90,697,787.28x = 6,479,215,609,524,122
  5. Step 5: Solve for x
    x = 6,479,215,609,524,122/90,697,787.28
  6. Step 6: Final answer
    x = 71,437,416.54

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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.