Home / 136,690,398.08-188,633,249.28-73,966,496.60

Finding the Fourth Proportional to 136,690,398.08, 188,633,249.28 and 73,966,496.60

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Solution

The fourth proportional to 136,690,398.08, 188,633,249.28 and 73,966,496.60 is: 102,074,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,690,398.08 : 188,633,249.28 = 73,966,496.60 : x
  2. Step 2: Convert to fraction form
    136,690,398.08/188,633,249.28 = 73,966,496.60/x
  3. Step 3: Cross multiply
    136,690,398.08x = 188,633,249.28 × 73,966,496.60
  4. Step 4: Simplify right side
    136,690,398.08x = 13,952,540,591,516,072
  5. Step 5: Solve for x
    x = 13,952,540,591,516,072/136,690,398.08
  6. Step 6: Final answer
    x = 102,074,035.83

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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.