Home / 240,391,821.75-331,740,735.89-135,967,645.59

Finding the Fourth Proportional to 240,391,821.75, 331,740,735.89 and 135,967,645.59

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Solution

The fourth proportional to 240,391,821.75, 331,740,735.89 and 135,967,645.59 is: 187,635,363.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,391,821.75 : 331,740,735.89 = 135,967,645.59 : x
  2. Step 2: Convert to fraction form
    240,391,821.75/331,740,735.89 = 135,967,645.59/x
  3. Step 3: Cross multiply
    240,391,821.75x = 331,740,735.89 × 135,967,645.59
  4. Step 4: Simplify right side
    240,391,821.75x = 45,106,006,804,577,472
  5. Step 5: Solve for x
    x = 45,106,006,804,577,472/240,391,821.75
  6. Step 6: Final answer
    x = 187,635,363.28

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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.