Home / 99,469,465.68-148,504,805.91-76,003,397.67

Finding the Fourth Proportional to 99,469,465.68, 148,504,805.91 and 76,003,397.67

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Solution

The fourth proportional to 99,469,465.68, 148,504,805.91 and 76,003,397.67 is: 113,470,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,469,465.68 : 148,504,805.91 = 76,003,397.67 : x
  2. Step 2: Convert to fraction form
    99,469,465.68/148,504,805.91 = 76,003,397.67/x
  3. Step 3: Cross multiply
    99,469,465.68x = 148,504,805.91 × 76,003,397.67
  4. Step 4: Simplify right side
    99,469,465.68x = 11,286,869,819,483,896
  5. Step 5: Solve for x
    x = 11,286,869,819,483,896/99,469,465.68
  6. Step 6: Final answer
    x = 113,470,699.20

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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.