Home / 168,309,727.81-252,245,606.38-68,483,032.29

Finding the Fourth Proportional to 168,309,727.81, 252,245,606.38 and 68,483,032.29

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Solution

The fourth proportional to 168,309,727.81, 252,245,606.38 and 68,483,032.29 is: 102,635,446.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,309,727.81 : 252,245,606.38 = 68,483,032.29 : x
  2. Step 2: Convert to fraction form
    168,309,727.81/252,245,606.38 = 68,483,032.29/x
  3. Step 3: Cross multiply
    168,309,727.81x = 252,245,606.38 × 68,483,032.29
  4. Step 4: Simplify right side
    168,309,727.81x = 17,274,544,006,560,964
  5. Step 5: Solve for x
    x = 17,274,544,006,560,964/168,309,727.81
  6. Step 6: Final answer
    x = 102,635,446.16

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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.