Home / 47,904,807.78-66,108,569.78-27,278,253.97

Finding the Fourth Proportional to 47,904,807.78, 66,108,569.78 and 27,278,253.97

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Solution

The fourth proportional to 47,904,807.78, 66,108,569.78 and 27,278,253.97 is: 37,643,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,904,807.78 : 66,108,569.78 = 27,278,253.97 : x
  2. Step 2: Convert to fraction form
    47,904,807.78/66,108,569.78 = 27,278,253.97/x
  3. Step 3: Cross multiply
    47,904,807.78x = 66,108,569.78 × 27,278,253.97
  4. Step 4: Simplify right side
    47,904,807.78x = 1,803,326,355,955,231.25
  5. Step 5: Solve for x
    x = 1,803,326,355,955,231.25/47,904,807.78
  6. Step 6: Final answer
    x = 37,643,953.49

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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.