Home / 67,745,565.72-101,618,426.97-18,561,837.56

Finding the Fourth Proportional to 67,745,565.72, 101,618,426.97 and 18,561,837.56

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Solution

The fourth proportional to 67,745,565.72, 101,618,426.97 and 18,561,837.56 is: 27,842,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,745,565.72 : 101,618,426.97 = 18,561,837.56 : x
  2. Step 2: Convert to fraction form
    67,745,565.72/101,618,426.97 = 18,561,837.56/x
  3. Step 3: Cross multiply
    67,745,565.72x = 101,618,426.97 × 18,561,837.56
  4. Step 4: Simplify right side
    67,745,565.72x = 1,886,224,734,011,770.75
  5. Step 5: Solve for x
    x = 1,886,224,734,011,770.75/67,745,565.72
  6. Step 6: Final answer
    x = 27,842,777.81

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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.