Home / 168,722,405.76-253,072,909.44-53,789,416.32

Finding the Fourth Proportional to 168,722,405.76, 253,072,909.44 and 53,789,416.32

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Solution

The fourth proportional to 168,722,405.76, 253,072,909.44 and 53,789,416.32 is: 80,680,713.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,722,405.76 : 253,072,909.44 = 53,789,416.32 : x
  2. Step 2: Convert to fraction form
    168,722,405.76/253,072,909.44 = 53,789,416.32/x
  3. Step 3: Cross multiply
    168,722,405.76x = 253,072,909.44 × 53,789,416.32
  4. Step 4: Simplify right side
    168,722,405.76x = 13,612,644,085,181,818
  5. Step 5: Solve for x
    x = 13,612,644,085,181,818/168,722,405.76
  6. Step 6: Final answer
    x = 80,680,713.53

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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.