Home / 136,395,733.61-204,722,947.19-84,423,123.65

Finding the Fourth Proportional to 136,395,733.61, 204,722,947.19 and 84,423,123.65

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Solution

The fourth proportional to 136,395,733.61, 204,722,947.19 and 84,423,123.65 is: 126,714,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,395,733.61 : 204,722,947.19 = 84,423,123.65 : x
  2. Step 2: Convert to fraction form
    136,395,733.61/204,722,947.19 = 84,423,123.65/x
  3. Step 3: Cross multiply
    136,395,733.61x = 204,722,947.19 × 84,423,123.65
  4. Step 4: Simplify right side
    136,395,733.61x = 17,283,350,685,336,656
  5. Step 5: Solve for x
    x = 17,283,350,685,336,656/136,395,733.61
  6. Step 6: Final answer
    x = 126,714,745.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.