Home / 119,616,286.50-165,070,541.79-64,612,143.54

Finding the Fourth Proportional to 119,616,286.50, 165,070,541.79 and 64,612,143.54

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Solution

The fourth proportional to 119,616,286.50, 165,070,541.79 and 64,612,143.54 is: 89,164,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,616,286.50 : 165,070,541.79 = 64,612,143.54 : x
  2. Step 2: Convert to fraction form
    119,616,286.50/165,070,541.79 = 64,612,143.54/x
  3. Step 3: Cross multiply
    119,616,286.50x = 165,070,541.79 × 64,612,143.54
  4. Step 4: Simplify right side
    119,616,286.50x = 10,665,561,540,361,048
  5. Step 5: Solve for x
    x = 10,665,561,540,361,048/119,616,286.50
  6. Step 6: Final answer
    x = 89,164,793.96

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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.