Home / 310,285,890.90-465,428,836.35-137,579,375.70

Finding the Fourth Proportional to 310,285,890.90, 465,428,836.35 and 137,579,375.70

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Solution

The fourth proportional to 310,285,890.90, 465,428,836.35 and 137,579,375.70 is: 206,369,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,285,890.90 : 465,428,836.35 = 137,579,375.70 : x
  2. Step 2: Convert to fraction form
    310,285,890.90/465,428,836.35 = 137,579,375.70/x
  3. Step 3: Cross multiply
    310,285,890.90x = 465,428,836.35 × 137,579,375.70
  4. Step 4: Simplify right side
    310,285,890.90x = 64,033,408,737,810,464
  5. Step 5: Solve for x
    x = 64,033,408,737,810,464/310,285,890.90
  6. Step 6: Final answer
    x = 206,369,063.55

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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.