Home / 190,758,017.11-263,231,054.89-108,251,801.59

Finding the Fourth Proportional to 190,758,017.11, 263,231,054.89 and 108,251,801.59

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Solution

The fourth proportional to 190,758,017.11, 263,231,054.89 and 108,251,801.59 is: 149,378,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,758,017.11 : 263,231,054.89 = 108,251,801.59 : x
  2. Step 2: Convert to fraction form
    190,758,017.11/263,231,054.89 = 108,251,801.59/x
  3. Step 3: Cross multiply
    190,758,017.11x = 263,231,054.89 × 108,251,801.59
  4. Step 4: Simplify right side
    190,758,017.11x = 28,495,235,926,278,680
  5. Step 5: Solve for x
    x = 28,495,235,926,278,680/190,758,017.11
  6. Step 6: Final answer
    x = 149,378,969.01

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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.