Home / 214,460,803.20-321,691,204.80-123,761,539.20

Finding the Fourth Proportional to 214,460,803.20, 321,691,204.80 and 123,761,539.20

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Solution

The fourth proportional to 214,460,803.20, 321,691,204.80 and 123,761,539.20 is: 185,642,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,460,803.20 : 321,691,204.80 = 123,761,539.20 : x
  2. Step 2: Convert to fraction form
    214,460,803.20/321,691,204.80 = 123,761,539.20/x
  3. Step 3: Cross multiply
    214,460,803.20x = 321,691,204.80 × 123,761,539.20
  4. Step 4: Simplify right side
    214,460,803.20x = 39,812,998,653,150,432
  5. Step 5: Solve for x
    x = 39,812,998,653,150,432/214,460,803.20
  6. Step 6: Final answer
    x = 185,642,308.80

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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.