Home / 321,731,261.40-482,722,863.30-117,280,003.80

Finding the Fourth Proportional to 321,731,261.40, 482,722,863.30 and 117,280,003.80

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Solution

The fourth proportional to 321,731,261.40, 482,722,863.30 and 117,280,003.80 is: 175,965,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,731,261.40 : 482,722,863.30 = 117,280,003.80 : x
  2. Step 2: Convert to fraction form
    321,731,261.40/482,722,863.30 = 117,280,003.80/x
  3. Step 3: Cross multiply
    321,731,261.40x = 482,722,863.30 × 117,280,003.80
  4. Step 4: Simplify right side
    321,731,261.40x = 56,613,739,242,170,880
  5. Step 5: Solve for x
    x = 56,613,739,242,170,880/321,731,261.40
  6. Step 6: Final answer
    x = 175,965,925.71

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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.