Home / 310,295,761.40-465,443,642.10-137,589,246.20

Finding the Fourth Proportional to 310,295,761.40, 465,443,642.10 and 137,589,246.20

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Solution

The fourth proportional to 310,295,761.40, 465,443,642.10 and 137,589,246.20 is: 206,383,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,295,761.40 : 465,443,642.10 = 137,589,246.20 : x
  2. Step 2: Convert to fraction form
    310,295,761.40/465,443,642.10 = 137,589,246.20/x
  3. Step 3: Cross multiply
    310,295,761.40x = 465,443,642.10 × 137,589,246.20
  4. Step 4: Simplify right side
    310,295,761.40x = 64,040,039,865,121,584
  5. Step 5: Solve for x
    x = 64,040,039,865,121,584/310,295,761.40
  6. Step 6: Final answer
    x = 206,383,869.30

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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.