Home / 205,476,965.77-308,184,306.78-55,923,082.81

Finding the Fourth Proportional to 205,476,965.77, 308,184,306.78 and 55,923,082.81

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Solution

The fourth proportional to 205,476,965.77, 308,184,306.78 and 55,923,082.81 is: 83,876,148.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,476,965.77 : 308,184,306.78 = 55,923,082.81 : x
  2. Step 2: Convert to fraction form
    205,476,965.77/308,184,306.78 = 55,923,082.81/x
  3. Step 3: Cross multiply
    205,476,965.77x = 308,184,306.78 × 55,923,082.81
  4. Step 4: Simplify right side
    205,476,965.77x = 17,234,616,506,979,846
  5. Step 5: Solve for x
    x = 17,234,616,506,979,846/205,476,965.77
  6. Step 6: Final answer
    x = 83,876,148.56

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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.