Home / 190,758,015.36-263,231,052.48-108,251,799.84

Finding the Fourth Proportional to 190,758,015.36, 263,231,052.48 and 108,251,799.84

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Solution

The fourth proportional to 190,758,015.36, 263,231,052.48 and 108,251,799.84 is: 149,378,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,758,015.36 : 263,231,052.48 = 108,251,799.84 : x
  2. Step 2: Convert to fraction form
    190,758,015.36/263,231,052.48 = 108,251,799.84/x
  3. Step 3: Cross multiply
    190,758,015.36x = 263,231,052.48 × 108,251,799.84
  4. Step 4: Simplify right side
    190,758,015.36x = 28,495,235,204,737,496
  5. Step 5: Solve for x
    x = 28,495,235,204,737,496/190,758,015.36
  6. Step 6: Final answer
    x = 149,378,966.60

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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.