Home / 231,787,008,078.20-347,680,512,117.30-82,895,096,295.80

Finding the Fourth Proportional to 231,787,008,078.20, 347,680,512,117.30 and 82,895,096,295.80

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Solution

The fourth proportional to 231,787,008,078.20, 347,680,512,117.30 and 82,895,096,295.80 is: 124,342,644,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,008,078.20 : 347,680,512,117.30 = 82,895,096,295.80 : x
  2. Step 2: Convert to fraction form
    231,787,008,078.20/347,680,512,117.30 = 82,895,096,295.80/x
  3. Step 3: Cross multiply
    231,787,008,078.20x = 347,680,512,117.30 × 82,895,096,295.80
  4. Step 4: Simplify right side
    231,787,008,078.20x = 28,821,009,532,136,642,838,528
  5. Step 5: Solve for x
    x = 28,821,009,532,136,642,838,528/231,787,008,078.20
  6. Step 6: Final answer
    x = 124,342,644,443.70

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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.