Home / 243,512,582.88-336,047,812.92-132,003,078.78

Finding the Fourth Proportional to 243,512,582.88, 336,047,812.92 and 132,003,078.78

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Solution

The fourth proportional to 243,512,582.88, 336,047,812.92 and 132,003,078.78 is: 182,164,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,512,582.88 : 336,047,812.92 = 132,003,078.78 : x
  2. Step 2: Convert to fraction form
    243,512,582.88/336,047,812.92 = 132,003,078.78/x
  3. Step 3: Cross multiply
    243,512,582.88x = 336,047,812.92 × 132,003,078.78
  4. Step 4: Simplify right side
    243,512,582.88x = 44,359,345,922,725,464
  5. Step 5: Solve for x
    x = 44,359,345,922,725,464/243,512,582.88
  6. Step 6: Final answer
    x = 182,164,491.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.