Home / 247,896,609.20-371,397,016.20-212,064,801.20

Finding the Fourth Proportional to 247,896,609.20, 371,397,016.20 and 212,064,801.20

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Solution

The fourth proportional to 247,896,609.20, 371,397,016.20 and 212,064,801.20 is: 317,714,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,896,609.20 : 371,397,016.20 = 212,064,801.20 : x
  2. Step 2: Convert to fraction form
    247,896,609.20/371,397,016.20 = 212,064,801.20/x
  3. Step 3: Cross multiply
    247,896,609.20x = 371,397,016.20 × 212,064,801.20
  4. Step 4: Simplify right side
    247,896,609.20x = 78,760,234,406,726,176
  5. Step 5: Solve for x
    x = 78,760,234,406,726,176/247,896,609.20
  6. Step 6: Final answer
    x = 317,714,044.82

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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.