Home / 178,487,770-267,844,912.44-76,252,576.72

Finding the Fourth Proportional to 178,487,770, 267,844,912.44 and 76,252,576.72

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Solution

The fourth proportional to 178,487,770, 267,844,912.44 and 76,252,576.72 is: 114,427,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,487,770 : 267,844,912.44 = 76,252,576.72 : x
  2. Step 2: Convert to fraction form
    178,487,770/267,844,912.44 = 76,252,576.72/x
  3. Step 3: Cross multiply
    178,487,770x = 267,844,912.44 × 76,252,576.72
  4. Step 4: Simplify right side
    178,487,770x = 20,423,864,734,892,780
  5. Step 5: Solve for x
    x = 20,423,864,734,892,780/178,487,770
  6. Step 6: Final answer
    x = 114,427,250.31

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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.