Home / 231,819,781.20-347,771,662.20-116,514,142.80

Finding the Fourth Proportional to 231,819,781.20, 347,771,662.20 and 116,514,142.80

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Solution

The fourth proportional to 231,819,781.20, 347,771,662.20 and 116,514,142.80 is: 174,792,318.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,819,781.20 : 347,771,662.20 = 116,514,142.80 : x
  2. Step 2: Convert to fraction form
    231,819,781.20/347,771,662.20 = 116,514,142.80/x
  3. Step 3: Cross multiply
    231,819,781.20x = 347,771,662.20 × 116,514,142.80
  4. Step 4: Simplify right side
    231,819,781.20x = 40,520,317,111,364,160
  5. Step 5: Solve for x
    x = 40,520,317,111,364,160/231,819,781.20
  6. Step 6: Final answer
    x = 174,792,318.85

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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.