Home / 248,932,810.20-373,399,215.30-105,306,979.80

Finding the Fourth Proportional to 248,932,810.20, 373,399,215.30 and 105,306,979.80

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Solution

The fourth proportional to 248,932,810.20, 373,399,215.30 and 105,306,979.80 is: 157,960,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,932,810.20 : 373,399,215.30 = 105,306,979.80 : x
  2. Step 2: Convert to fraction form
    248,932,810.20/373,399,215.30 = 105,306,979.80/x
  3. Step 3: Cross multiply
    248,932,810.20x = 373,399,215.30 × 105,306,979.80
  4. Step 4: Simplify right side
    248,932,810.20x = 39,321,543,622,932,952
  5. Step 5: Solve for x
    x = 39,321,543,622,932,952/248,932,810.20
  6. Step 6: Final answer
    x = 157,960,469.70

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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.