Home / 80,289,727.96-110,797,667.76-47,251,921

Finding the Fourth Proportional to 80,289,727.96, 110,797,667.76 and 47,251,921

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Solution

The fourth proportional to 80,289,727.96, 110,797,667.76 and 47,251,921 is: 65,206,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,289,727.96 : 110,797,667.76 = 47,251,921 : x
  2. Step 2: Convert to fraction form
    80,289,727.96/110,797,667.76 = 47,251,921/x
  3. Step 3: Cross multiply
    80,289,727.96x = 110,797,667.76 × 47,251,921
  4. Step 4: Simplify right side
    80,289,727.96x = 5,235,402,643,979,767
  5. Step 5: Solve for x
    x = 5,235,402,643,979,767/80,289,727.96
  6. Step 6: Final answer
    x = 65,206,381.65

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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.