Home / 99,469,459.69-148,504,796.96-76,003,391.68

Finding the Fourth Proportional to 99,469,459.69, 148,504,796.96 and 76,003,391.68

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Solution

The fourth proportional to 99,469,459.69, 148,504,796.96 and 76,003,391.68 is: 113,470,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,469,459.69 : 148,504,796.96 = 76,003,391.68 : x
  2. Step 2: Convert to fraction form
    99,469,459.69/148,504,796.96 = 76,003,391.68/x
  3. Step 3: Cross multiply
    99,469,459.69x = 148,504,796.96 × 76,003,391.68
  4. Step 4: Simplify right side
    99,469,459.69x = 11,286,868,248,958,474
  5. Step 5: Solve for x
    x = 11,286,868,248,958,474/99,469,459.69
  6. Step 6: Final answer
    x = 113,470,690.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.