Home / 82,207,161.42-113,445,843.30-49,167,409.92

Finding the Fourth Proportional to 82,207,161.42, 113,445,843.30 and 49,167,409.92

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Solution

The fourth proportional to 82,207,161.42, 113,445,843.30 and 49,167,409.92 is: 67,851,002.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,207,161.42 : 113,445,843.30 = 49,167,409.92 : x
  2. Step 2: Convert to fraction form
    82,207,161.42/113,445,843.30 = 49,167,409.92/x
  3. Step 3: Cross multiply
    82,207,161.42x = 113,445,843.30 × 49,167,409.92
  4. Step 4: Simplify right side
    82,207,161.42x = 5,577,838,281,251,186
  5. Step 5: Solve for x
    x = 5,577,838,281,251,186/82,207,161.42
  6. Step 6: Final answer
    x = 67,851,002.09

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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.