Home / 82,046,138.33-113,258,533.43-51,121,586.54

Finding the Fourth Proportional to 82,046,138.33, 113,258,533.43 and 51,121,586.54

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Solution

The fourth proportional to 82,046,138.33, 113,258,533.43 and 51,121,586.54 is: 70,569,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,046,138.33 : 113,258,533.43 = 51,121,586.54 : x
  2. Step 2: Convert to fraction form
    82,046,138.33/113,258,533.43 = 51,121,586.54/x
  3. Step 3: Cross multiply
    82,046,138.33x = 113,258,533.43 × 51,121,586.54
  4. Step 4: Simplify right side
    82,046,138.33x = 5,789,955,918,135,228
  5. Step 5: Solve for x
    x = 5,789,955,918,135,228/82,046,138.33
  6. Step 6: Final answer
    x = 70,569,511.69

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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.