Home / 136,690,329.26-188,633,154.38-73,966,427.78

Finding the Fourth Proportional to 136,690,329.26, 188,633,154.38 and 73,966,427.78

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Solution

The fourth proportional to 136,690,329.26, 188,633,154.38 and 73,966,427.78 is: 102,073,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,690,329.26 : 188,633,154.38 = 73,966,427.78 : x
  2. Step 2: Convert to fraction form
    136,690,329.26/188,633,154.38 = 73,966,427.78/x
  3. Step 3: Cross multiply
    136,690,329.26x = 188,633,154.38 × 73,966,427.78
  4. Step 4: Simplify right side
    136,690,329.26x = 13,952,520,589,048,864
  5. Step 5: Solve for x
    x = 13,952,520,589,048,864/136,690,329.26
  6. Step 6: Final answer
    x = 102,073,940.89

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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.