Home / 99,199,286.39-148,715,694.62-43,858,186.45

Finding the Fourth Proportional to 99,199,286.39, 148,715,694.62 and 43,858,186.45

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Solution

The fourth proportional to 99,199,286.39, 148,715,694.62 and 43,858,186.45 is: 65,750,479.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,199,286.39 : 148,715,694.62 = 43,858,186.45 : x
  2. Step 2: Convert to fraction form
    99,199,286.39/148,715,694.62 = 43,858,186.45/x
  3. Step 3: Cross multiply
    99,199,286.39x = 148,715,694.62 × 43,858,186.45
  4. Step 4: Simplify right side
    99,199,286.39x = 6,522,400,662,423,078
  5. Step 5: Solve for x
    x = 6,522,400,662,423,078/99,199,286.39
  6. Step 6: Final answer
    x = 65,750,479.66

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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.