Home / 238,024,408.20-357,036,612.30-220,805,719.80

Finding the Fourth Proportional to 238,024,408.20, 357,036,612.30 and 220,805,719.80

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Solution

The fourth proportional to 238,024,408.20, 357,036,612.30 and 220,805,719.80 is: 331,208,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,024,408.20 : 357,036,612.30 = 220,805,719.80 : x
  2. Step 2: Convert to fraction form
    238,024,408.20/357,036,612.30 = 220,805,719.80/x
  3. Step 3: Cross multiply
    238,024,408.20x = 357,036,612.30 × 220,805,719.80
  4. Step 4: Simplify right side
    238,024,408.20x = 78,835,726,173,855,040
  5. Step 5: Solve for x
    x = 78,835,726,173,855,040/238,024,408.20
  6. Step 6: Final answer
    x = 331,208,579.70

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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.