Home / 54,955,946.38-82,828,936.72-47,371,135.54

Finding the Fourth Proportional to 54,955,946.38, 82,828,936.72 and 47,371,135.54

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Solution

The fourth proportional to 54,955,946.38, 82,828,936.72 and 47,371,135.54 is: 71,397,201.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,955,946.38 : 82,828,936.72 = 47,371,135.54 : x
  2. Step 2: Convert to fraction form
    54,955,946.38/82,828,936.72 = 47,371,135.54/x
  3. Step 3: Cross multiply
    54,955,946.38x = 82,828,936.72 × 47,371,135.54
  4. Step 4: Simplify right side
    54,955,946.38x = 3,923,700,787,997,203
  5. Step 5: Solve for x
    x = 3,923,700,787,997,203/54,955,946.38
  6. Step 6: Final answer
    x = 71,397,201.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.