Home / 82,758,868.60-114,189,765.42-47,949,439.36

Finding the Fourth Proportional to 82,758,868.60, 114,189,765.42 and 47,949,439.36

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Solution

The fourth proportional to 82,758,868.60, 114,189,765.42 and 47,949,439.36 is: 66,160,102.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,758,868.60 : 114,189,765.42 = 47,949,439.36 : x
  2. Step 2: Convert to fraction form
    82,758,868.60/114,189,765.42 = 47,949,439.36/x
  3. Step 3: Cross multiply
    82,758,868.60x = 114,189,765.42 × 47,949,439.36
  4. Step 4: Simplify right side
    82,758,868.60x = 5,475,335,232,538,915
  5. Step 5: Solve for x
    x = 5,475,335,232,538,915/82,758,868.60
  6. Step 6: Final answer
    x = 66,160,102.54

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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.