Home / 167,423,764.05-231,057,722.11-100,445,233.77

Finding the Fourth Proportional to 167,423,764.05, 231,057,722.11 and 100,445,233.77

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Solution

The fourth proportional to 167,423,764.05, 231,057,722.11 and 100,445,233.77 is: 138,622,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,423,764.05 : 231,057,722.11 = 100,445,233.77 : x
  2. Step 2: Convert to fraction form
    167,423,764.05/231,057,722.11 = 100,445,233.77/x
  3. Step 3: Cross multiply
    167,423,764.05x = 231,057,722.11 × 100,445,233.77
  4. Step 4: Simplify right side
    167,423,764.05x = 23,208,646,910,547,360
  5. Step 5: Solve for x
    x = 23,208,646,910,547,360/167,423,764.05
  6. Step 6: Final answer
    x = 138,622,178.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.