Home / 238,234,835.88-357,271,915.08-90,647,359.56

Finding the Fourth Proportional to 238,234,835.88, 357,271,915.08 and 90,647,359.56

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Solution

The fourth proportional to 238,234,835.88, 357,271,915.08 and 90,647,359.56 is: 135,940,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,234,835.88 : 357,271,915.08 = 90,647,359.56 : x
  2. Step 2: Convert to fraction form
    238,234,835.88/357,271,915.08 = 90,647,359.56/x
  3. Step 3: Cross multiply
    238,234,835.88x = 357,271,915.08 × 90,647,359.56
  4. Step 4: Simplify right side
    238,234,835.88x = 32,385,755,746,946,544
  5. Step 5: Solve for x
    x = 32,385,755,746,946,544/238,234,835.88
  6. Step 6: Final answer
    x = 135,940,470.79

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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.