Home / 215,449,001.11-323,218,895.94-69,871,211.55

Finding the Fourth Proportional to 215,449,001.11, 323,218,895.94 and 69,871,211.55

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Solution

The fourth proportional to 215,449,001.11, 323,218,895.94 and 69,871,211.55 is: 104,821,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,449,001.11 : 323,218,895.94 = 69,871,211.55 : x
  2. Step 2: Convert to fraction form
    215,449,001.11/323,218,895.94 = 69,871,211.55/x
  3. Step 3: Cross multiply
    215,449,001.11x = 323,218,895.94 × 69,871,211.55
  4. Step 4: Simplify right side
    215,449,001.11x = 22,583,695,855,181,176
  5. Step 5: Solve for x
    x = 22,583,695,855,181,176/215,449,001.11
  6. Step 6: Final answer
    x = 104,821,538.92

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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.