Home / 159,490,975.20-239,348,437.20-68,679,736.80

Finding the Fourth Proportional to 159,490,975.20, 239,348,437.20 and 68,679,736.80

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Solution

The fourth proportional to 159,490,975.20, 239,348,437.20 and 68,679,736.80 is: 103,067,823.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,490,975.20 : 239,348,437.20 = 68,679,736.80 : x
  2. Step 2: Convert to fraction form
    159,490,975.20/239,348,437.20 = 68,679,736.80/x
  3. Step 3: Cross multiply
    159,490,975.20x = 239,348,437.20 × 68,679,736.80
  4. Step 4: Simplify right side
    159,490,975.20x = 16,438,387,670,387,328
  5. Step 5: Solve for x
    x = 16,438,387,670,387,328/159,490,975.20
  6. Step 6: Final answer
    x = 103,067,823.43

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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.