Home / 167,423,763.05-231,057,720.73-100,445,232.76

Finding the Fourth Proportional to 167,423,763.05, 231,057,720.73 and 100,445,232.76

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Solution

The fourth proportional to 167,423,763.05, 231,057,720.73 and 100,445,232.76 is: 138,622,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,423,763.05 : 231,057,720.73 = 100,445,232.76 : x
  2. Step 2: Convert to fraction form
    167,423,763.05/231,057,720.73 = 100,445,232.76/x
  3. Step 3: Cross multiply
    167,423,763.05x = 231,057,720.73 × 100,445,232.76
  4. Step 4: Simplify right side
    167,423,763.05x = 23,208,646,540,607,612
  5. Step 5: Solve for x
    x = 23,208,646,540,607,612/167,423,763.05
  6. Step 6: Final answer
    x = 138,622,177.15

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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.