Home / 199,584,286.40-299,376,429.60-113,587,947.20

Finding the Fourth Proportional to 199,584,286.40, 299,376,429.60 and 113,587,947.20

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Solution

The fourth proportional to 199,584,286.40, 299,376,429.60 and 113,587,947.20 is: 170,381,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,584,286.40 : 299,376,429.60 = 113,587,947.20 : x
  2. Step 2: Convert to fraction form
    199,584,286.40/299,376,429.60 = 113,587,947.20/x
  3. Step 3: Cross multiply
    199,584,286.40x = 299,376,429.60 × 113,587,947.20
  4. Step 4: Simplify right side
    199,584,286.40x = 34,005,554,078,329,320
  5. Step 5: Solve for x
    x = 34,005,554,078,329,320/199,584,286.40
  6. Step 6: Final answer
    x = 170,381,920.80

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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.