Home / 168,561,129.12-252,841,693.73-47,392,581.12

Finding the Fourth Proportional to 168,561,129.12, 252,841,693.73 and 47,392,581.12

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Solution

The fourth proportional to 168,561,129.12, 252,841,693.73 and 47,392,581.12 is: 71,088,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,561,129.12 : 252,841,693.73 = 47,392,581.12 : x
  2. Step 2: Convert to fraction form
    168,561,129.12/252,841,693.73 = 47,392,581.12/x
  3. Step 3: Cross multiply
    168,561,129.12x = 252,841,693.73 × 47,392,581.12
  4. Step 4: Simplify right side
    168,561,129.12x = 11,982,820,480,380,256
  5. Step 5: Solve for x
    x = 11,982,820,480,380,256/168,561,129.12
  6. Step 6: Final answer
    x = 71,088,871.69

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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.