Home / 115,034,719.31-172,555,622.03-50,305,205.51

Finding the Fourth Proportional to 115,034,719.31, 172,555,622.03 and 50,305,205.51

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Solution

The fourth proportional to 115,034,719.31, 172,555,622.03 and 50,305,205.51 is: 75,459,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,034,719.31 : 172,555,622.03 = 50,305,205.51 : x
  2. Step 2: Convert to fraction form
    115,034,719.31/172,555,622.03 = 50,305,205.51/x
  3. Step 3: Cross multiply
    115,034,719.31x = 172,555,622.03 × 50,305,205.51
  4. Step 4: Simplify right side
    115,034,719.31x = 8,680,446,028,125,033
  5. Step 5: Solve for x
    x = 8,680,446,028,125,033/115,034,719.31
  6. Step 6: Final answer
    x = 75,459,357.66

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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.