Home / 127,745,236.08-176,288,252.58-72,741,092.58

Finding the Fourth Proportional to 127,745,236.08, 176,288,252.58 and 72,741,092.58

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Solution

The fourth proportional to 127,745,236.08, 176,288,252.58 and 72,741,092.58 is: 100,382,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,745,236.08 : 176,288,252.58 = 72,741,092.58 : x
  2. Step 2: Convert to fraction form
    127,745,236.08/176,288,252.58 = 72,741,092.58/x
  3. Step 3: Cross multiply
    127,745,236.08x = 176,288,252.58 × 72,741,092.58
  4. Step 4: Simplify right side
    127,745,236.08x = 12,823,400,101,688,204
  5. Step 5: Solve for x
    x = 12,823,400,101,688,204/127,745,236.08
  6. Step 6: Final answer
    x = 100,382,609.13

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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.