Home / 293,212,939.20-439,819,408.80-149,587,108.80

Finding the Fourth Proportional to 293,212,939.20, 439,819,408.80 and 149,587,108.80

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Solution

The fourth proportional to 293,212,939.20, 439,819,408.80 and 149,587,108.80 is: 224,380,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,212,939.20 : 439,819,408.80 = 149,587,108.80 : x
  2. Step 2: Convert to fraction form
    293,212,939.20/439,819,408.80 = 149,587,108.80/x
  3. Step 3: Cross multiply
    293,212,939.20x = 439,819,408.80 × 149,587,108.80
  4. Step 4: Simplify right side
    293,212,939.20x = 65,791,313,756,517,288
  5. Step 5: Solve for x
    x = 65,791,313,756,517,288/293,212,939.20
  6. Step 6: Final answer
    x = 224,380,663.20

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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.