Home / 168,757,743.79-253,146,358.86-65,127,486.88

Finding the Fourth Proportional to 168,757,743.79, 253,146,358.86 and 65,127,486.88

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Solution

The fourth proportional to 168,757,743.79, 253,146,358.86 and 65,127,486.88 is: 97,694,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,757,743.79 : 253,146,358.86 = 65,127,486.88 : x
  2. Step 2: Convert to fraction form
    168,757,743.79/253,146,358.86 = 65,127,486.88/x
  3. Step 3: Cross multiply
    168,757,743.79x = 253,146,358.86 × 65,127,486.88
  4. Step 4: Simplify right side
    168,757,743.79x = 16,486,786,165,374,424
  5. Step 5: Solve for x
    x = 16,486,786,165,374,424/168,757,743.79
  6. Step 6: Final answer
    x = 97,694,990.43

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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.