Home / 99,668,114.55-149,502,171.83-75,481,644.15

Finding the Fourth Proportional to 99,668,114.55, 149,502,171.83 and 75,481,644.15

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Solution

The fourth proportional to 99,668,114.55, 149,502,171.83 and 75,481,644.15 is: 113,222,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668,114.55 : 149,502,171.83 = 75,481,644.15 : x
  2. Step 2: Convert to fraction form
    99,668,114.55/149,502,171.83 = 75,481,644.15/x
  3. Step 3: Cross multiply
    99,668,114.55x = 149,502,171.83 × 75,481,644.15
  4. Step 4: Simplify right side
    99,668,114.55x = 11,284,669,733,346,806
  5. Step 5: Solve for x
    x = 11,284,669,733,346,806/99,668,114.55
  6. Step 6: Final answer
    x = 113,222,466.23

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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.