Home / 137,671,377.57-206,446,467.33-72,960,021.36

Finding the Fourth Proportional to 137,671,377.57, 206,446,467.33 and 72,960,021.36

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Solution

The fourth proportional to 137,671,377.57, 206,446,467.33 and 72,960,021.36 is: 109,407,917.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,671,377.57 : 206,446,467.33 = 72,960,021.36 : x
  2. Step 2: Convert to fraction form
    137,671,377.57/206,446,467.33 = 72,960,021.36/x
  3. Step 3: Cross multiply
    137,671,377.57x = 206,446,467.33 × 72,960,021.36
  4. Step 4: Simplify right side
    137,671,377.57x = 15,062,338,666,093,344
  5. Step 5: Solve for x
    x = 15,062,338,666,093,344/137,671,377.57
  6. Step 6: Final answer
    x = 109,407,917.11

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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.