Home / 120,384,947.52-166,141,473.71-68,183,269.56

Finding the Fourth Proportional to 120,384,947.52, 166,141,473.71 and 68,183,269.56

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Solution

The fourth proportional to 120,384,947.52, 166,141,473.71 and 68,183,269.56 is: 94,098,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,384,947.52 : 166,141,473.71 = 68,183,269.56 : x
  2. Step 2: Convert to fraction form
    120,384,947.52/166,141,473.71 = 68,183,269.56/x
  3. Step 3: Cross multiply
    120,384,947.52x = 166,141,473.71 × 68,183,269.56
  4. Step 4: Simplify right side
    120,384,947.52x = 11,328,068,886,723,668
  5. Step 5: Solve for x
    x = 11,328,068,886,723,668/120,384,947.52
  6. Step 6: Final answer
    x = 94,098,715.16

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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.