Home / 117,715,754.38-162,437,182.39-68,159,472.77

Finding the Fourth Proportional to 117,715,754.38, 162,437,182.39 and 68,159,472.77

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Solution

The fourth proportional to 117,715,754.38, 162,437,182.39 and 68,159,472.77 is: 94,053,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,715,754.38 : 162,437,182.39 = 68,159,472.77 : x
  2. Step 2: Convert to fraction form
    117,715,754.38/162,437,182.39 = 68,159,472.77/x
  3. Step 3: Cross multiply
    117,715,754.38x = 162,437,182.39 × 68,159,472.77
  4. Step 4: Simplify right side
    117,715,754.38x = 11,071,632,710,202,182
  5. Step 5: Solve for x
    x = 11,071,632,710,202,182/117,715,754.38
  6. Step 6: Final answer
    x = 94,053,958.78

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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.