Home / 37,171,165.81-51,293,201.45-21,491,196.32

Finding the Fourth Proportional to 37,171,165.81, 51,293,201.45 and 21,491,196.32

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Solution

The fourth proportional to 37,171,165.81, 51,293,201.45 and 21,491,196.32 is: 29,656,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,171,165.81 : 51,293,201.45 = 21,491,196.32 : x
  2. Step 2: Convert to fraction form
    37,171,165.81/51,293,201.45 = 21,491,196.32/x
  3. Step 3: Cross multiply
    37,171,165.81x = 51,293,201.45 × 21,491,196.32
  4. Step 4: Simplify right side
    37,171,165.81x = 1,102,352,262,243,258.75
  5. Step 5: Solve for x
    x = 1,102,352,262,243,258.75/37,171,165.81
  6. Step 6: Final answer
    x = 29,656,112.16

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Double scale
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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.