Home / 313,241,137.20-432,310,346.91-187,862,309.37

Finding the Fourth Proportional to 313,241,137.20, 432,310,346.91 and 187,862,309.37

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Solution

The fourth proportional to 313,241,137.20, 432,310,346.91 and 187,862,309.37 is: 259,272,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,241,137.20 : 432,310,346.91 = 187,862,309.37 : x
  2. Step 2: Convert to fraction form
    313,241,137.20/432,310,346.91 = 187,862,309.37/x
  3. Step 3: Cross multiply
    313,241,137.20x = 432,310,346.91 × 187,862,309.37
  4. Step 4: Simplify right side
    313,241,137.20x = 81,214,820,135,058,448
  5. Step 5: Solve for x
    x = 81,214,820,135,058,448/313,241,137.20
  6. Step 6: Final answer
    x = 259,272,523.59

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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.