Home / 54,053,142.72-74,592,415.08-29,273,128.74

Finding the Fourth Proportional to 54,053,142.72, 74,592,415.08 and 29,273,128.74

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Solution

The fourth proportional to 54,053,142.72, 74,592,415.08 and 29,273,128.74 is: 40,396,418.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,053,142.72 : 74,592,415.08 = 29,273,128.74 : x
  2. Step 2: Convert to fraction form
    54,053,142.72/74,592,415.08 = 29,273,128.74/x
  3. Step 3: Cross multiply
    54,053,142.72x = 74,592,415.08 × 29,273,128.74
  4. Step 4: Simplify right side
    54,053,142.72x = 2,183,553,369,664,357.25
  5. Step 5: Solve for x
    x = 2,183,553,369,664,357.25/54,053,142.72
  6. Step 6: Final answer
    x = 40,396,418.41

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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.