Home / 214,372,950.40-321,559,425.60-132,743,612.80

Finding the Fourth Proportional to 214,372,950.40, 321,559,425.60 and 132,743,612.80

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Solution

The fourth proportional to 214,372,950.40, 321,559,425.60 and 132,743,612.80 is: 199,115,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,372,950.40 : 321,559,425.60 = 132,743,612.80 : x
  2. Step 2: Convert to fraction form
    214,372,950.40/321,559,425.60 = 132,743,612.80/x
  3. Step 3: Cross multiply
    214,372,950.40x = 321,559,425.60 × 132,743,612.80
  4. Step 4: Simplify right side
    214,372,950.40x = 42,684,959,884,036,808
  5. Step 5: Solve for x
    x = 42,684,959,884,036,808/214,372,950.40
  6. Step 6: Final answer
    x = 199,115,419.20

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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.