Home / 263,752,938.86-395,689,671.07-91,229,606.78

Finding the Fourth Proportional to 263,752,938.86, 395,689,671.07 and 91,229,606.78

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Solution

The fourth proportional to 263,752,938.86, 395,689,671.07 and 91,229,606.78 is: 136,865,254.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,752,938.86 : 395,689,671.07 = 91,229,606.78 : x
  2. Step 2: Convert to fraction form
    263,752,938.86/395,689,671.07 = 91,229,606.78/x
  3. Step 3: Cross multiply
    263,752,938.86x = 395,689,671.07 × 91,229,606.78
  4. Step 4: Simplify right side
    263,752,938.86x = 36,098,613,096,417,120
  5. Step 5: Solve for x
    x = 36,098,613,096,417,120/263,752,938.86
  6. Step 6: Final answer
    x = 136,865,254.48

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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.