Home / 117,892,548.71-162,687,901.88-67,665,034.64

Finding the Fourth Proportional to 117,892,548.71, 162,687,901.88 and 67,665,034.64

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Solution

The fourth proportional to 117,892,548.71, 162,687,901.88 and 67,665,034.64 is: 93,375,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,892,548.71 : 162,687,901.88 = 67,665,034.64 : x
  2. Step 2: Convert to fraction form
    117,892,548.71/162,687,901.88 = 67,665,034.64/x
  3. Step 3: Cross multiply
    117,892,548.71x = 162,687,901.88 × 67,665,034.64
  4. Step 4: Simplify right side
    117,892,548.71x = 11,008,282,515,981,564
  5. Step 5: Solve for x
    x = 11,008,282,515,981,564/117,892,548.71
  6. Step 6: Final answer
    x = 93,375,557.97

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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.