Home / 78,322,899.62-117,471,318.68-23,722,503.65

Finding the Fourth Proportional to 78,322,899.62, 117,471,318.68 and 23,722,503.65

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Solution

The fourth proportional to 78,322,899.62, 117,471,318.68 and 23,722,503.65 is: 35,579,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,322,899.62 : 117,471,318.68 = 23,722,503.65 : x
  2. Step 2: Convert to fraction form
    78,322,899.62/117,471,318.68 = 23,722,503.65/x
  3. Step 3: Cross multiply
    78,322,899.62x = 117,471,318.68 × 23,722,503.65
  4. Step 4: Simplify right side
    78,322,899.62x = 2,786,713,786,038,000.50
  5. Step 5: Solve for x
    x = 2,786,713,786,038,000.50/78,322,899.62
  6. Step 6: Final answer
    x = 35,579,808.71

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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.