Home / 209,952,426.30-314,928,639.45-132,858,051.90

Finding the Fourth Proportional to 209,952,426.30, 314,928,639.45 and 132,858,051.90

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Solution

The fourth proportional to 209,952,426.30, 314,928,639.45 and 132,858,051.90 is: 199,287,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,426.30 : 314,928,639.45 = 132,858,051.90 : x
  2. Step 2: Convert to fraction form
    209,952,426.30/314,928,639.45 = 132,858,051.90/x
  3. Step 3: Cross multiply
    209,952,426.30x = 314,928,639.45 × 132,858,051.90
  4. Step 4: Simplify right side
    209,952,426.30x = 41,840,805,524,844,488
  5. Step 5: Solve for x
    x = 41,840,805,524,844,488/209,952,426.30
  6. Step 6: Final answer
    x = 199,287,077.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.