Home / 111,551,131.43-153,944,299.65-61,993,593.87

Finding the Fourth Proportional to 111,551,131.43, 153,944,299.65 and 61,993,593.87

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Solution

The fourth proportional to 111,551,131.43, 153,944,299.65 and 61,993,593.87 is: 85,553,237.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,551,131.43 : 153,944,299.65 = 61,993,593.87 : x
  2. Step 2: Convert to fraction form
    111,551,131.43/153,944,299.65 = 61,993,593.87/x
  3. Step 3: Cross multiply
    111,551,131.43x = 153,944,299.65 × 61,993,593.87
  4. Step 4: Simplify right side
    111,551,131.43x = 9,543,560,391,103,684
  5. Step 5: Solve for x
    x = 9,543,560,391,103,684/111,551,131.43
  6. Step 6: Final answer
    x = 85,553,237.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.