Home / 111,551,217.60-153,944,418.30-61,993,679.64

Finding the Fourth Proportional to 111,551,217.60, 153,944,418.30 and 61,993,679.64

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Solution

The fourth proportional to 111,551,217.60, 153,944,418.30 and 61,993,679.64 is: 85,553,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,551,217.60 : 153,944,418.30 = 61,993,679.64 : x
  2. Step 2: Convert to fraction form
    111,551,217.60/153,944,418.30 = 61,993,679.64/x
  3. Step 3: Cross multiply
    111,551,217.60x = 153,944,418.30 × 61,993,679.64
  4. Step 4: Simplify right side
    111,551,217.60x = 9,543,580,950,456,354
  5. Step 5: Solve for x
    x = 9,543,580,950,456,354/111,551,217.60
  6. Step 6: Final answer
    x = 85,553,355.27

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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.