Home / 248,933,152.20-373,399,728.30-105,307,321.80

Finding the Fourth Proportional to 248,933,152.20, 373,399,728.30 and 105,307,321.80

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Solution

The fourth proportional to 248,933,152.20, 373,399,728.30 and 105,307,321.80 is: 157,960,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,933,152.20 : 373,399,728.30 = 105,307,321.80 : x
  2. Step 2: Convert to fraction form
    248,933,152.20/373,399,728.30 = 105,307,321.80/x
  3. Step 3: Cross multiply
    248,933,152.20x = 373,399,728.30 × 105,307,321.80
  4. Step 4: Simplify right side
    248,933,152.20x = 39,321,725,348,120,664
  5. Step 5: Solve for x
    x = 39,321,725,348,120,664/248,933,152.20
  6. Step 6: Final answer
    x = 157,960,982.70

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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.