Home / 151,944,481.38-209,683,569.60-82,329,807.36

Finding the Fourth Proportional to 151,944,481.38, 209,683,569.60 and 82,329,807.36

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Solution

The fourth proportional to 151,944,481.38, 209,683,569.60 and 82,329,807.36 is: 113,615,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,944,481.38 : 209,683,569.60 = 82,329,807.36 : x
  2. Step 2: Convert to fraction form
    151,944,481.38/209,683,569.60 = 82,329,807.36/x
  3. Step 3: Cross multiply
    151,944,481.38x = 209,683,569.60 × 82,329,807.36
  4. Step 4: Simplify right side
    151,944,481.38x = 17,263,207,891,725,152
  5. Step 5: Solve for x
    x = 17,263,207,891,725,152/151,944,481.38
  6. Step 6: Final answer
    x = 113,615,234.56

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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.