Home / 136,400,827.10-204,601,240.65-81,981,268.70

Finding the Fourth Proportional to 136,400,827.10, 204,601,240.65 and 81,981,268.70

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Solution

The fourth proportional to 136,400,827.10, 204,601,240.65 and 81,981,268.70 is: 122,971,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,400,827.10 : 204,601,240.65 = 81,981,268.70 : x
  2. Step 2: Convert to fraction form
    136,400,827.10/204,601,240.65 = 81,981,268.70/x
  3. Step 3: Cross multiply
    136,400,827.10x = 204,601,240.65 × 81,981,268.70
  4. Step 4: Simplify right side
    136,400,827.10x = 16,773,469,286,081,014
  5. Step 5: Solve for x
    x = 16,773,469,286,081,014/136,400,827.10
  6. Step 6: Final answer
    x = 122,971,903.05

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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.