Home / 165,356,252.12-228,189,817.05-91,015,223.24

Finding the Fourth Proportional to 165,356,252.12, 228,189,817.05 and 91,015,223.24

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Solution

The fourth proportional to 165,356,252.12, 228,189,817.05 and 91,015,223.24 is: 125,600,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,356,252.12 : 228,189,817.05 = 91,015,223.24 : x
  2. Step 2: Convert to fraction form
    165,356,252.12/228,189,817.05 = 91,015,223.24/x
  3. Step 3: Cross multiply
    165,356,252.12x = 228,189,817.05 × 91,015,223.24
  4. Step 4: Simplify right side
    165,356,252.12x = 20,768,747,138,759,560
  5. Step 5: Solve for x
    x = 20,768,747,138,759,560/165,356,252.12
  6. Step 6: Final answer
    x = 125,600,011.33

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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.