Home / 76,429,560.96-114,375,084.48-47,689,234.56

Finding the Fourth Proportional to 76,429,560.96, 114,375,084.48 and 47,689,234.56

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Solution

The fourth proportional to 76,429,560.96, 114,375,084.48 and 47,689,234.56 is: 71,365,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,429,560.96 : 114,375,084.48 = 47,689,234.56 : x
  2. Step 2: Convert to fraction form
    76,429,560.96/114,375,084.48 = 47,689,234.56/x
  3. Step 3: Cross multiply
    76,429,560.96x = 114,375,084.48 × 47,689,234.56
  4. Step 4: Simplify right side
    76,429,560.96x = 5,454,460,231,586,536
  5. Step 5: Solve for x
    x = 5,454,460,231,586,536/76,429,560.96
  6. Step 6: Final answer
    x = 71,365,845.40

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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.