Home / 76,653,059.28-114,392,951.22-68,474,184.72

Finding the Fourth Proportional to 76,653,059.28, 114,392,951.22 and 68,474,184.72

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Solution

The fourth proportional to 76,653,059.28, 114,392,951.22 and 68,474,184.72 is: 102,187,233.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,653,059.28 : 114,392,951.22 = 68,474,184.72 : x
  2. Step 2: Convert to fraction form
    76,653,059.28/114,392,951.22 = 68,474,184.72/x
  3. Step 3: Cross multiply
    76,653,059.28x = 114,392,951.22 × 68,474,184.72
  4. Step 4: Simplify right side
    76,653,059.28x = 7,832,964,072,504,229
  5. Step 5: Solve for x
    x = 7,832,964,072,504,229/76,653,059.28
  6. Step 6: Final answer
    x = 102,187,233.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.