Home / 231,787,008,085.20-347,680,512,127.80-82,895,096,302.80

Finding the Fourth Proportional to 231,787,008,085.20, 347,680,512,127.80 and 82,895,096,302.80

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Solution

The fourth proportional to 231,787,008,085.20, 347,680,512,127.80 and 82,895,096,302.80 is: 124,342,644,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,008,085.20 : 347,680,512,127.80 = 82,895,096,302.80 : x
  2. Step 2: Convert to fraction form
    231,787,008,085.20/347,680,512,127.80 = 82,895,096,302.80/x
  3. Step 3: Cross multiply
    231,787,008,085.20x = 347,680,512,127.80 × 82,895,096,302.80
  4. Step 4: Simplify right side
    231,787,008,085.20x = 28,821,009,535,440,806,477,824
  5. Step 5: Solve for x
    x = 28,821,009,535,440,806,477,824/231,787,008,085.20
  6. Step 6: Final answer
    x = 124,342,644,454.20

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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.