Home / 82,758,867.60-114,189,764.04-47,949,438.36

Finding the Fourth Proportional to 82,758,867.60, 114,189,764.04 and 47,949,438.36

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Solution

The fourth proportional to 82,758,867.60, 114,189,764.04 and 47,949,438.36 is: 66,160,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,758,867.60 : 114,189,764.04 = 47,949,438.36 : x
  2. Step 2: Convert to fraction form
    82,758,867.60/114,189,764.04 = 47,949,438.36/x
  3. Step 3: Cross multiply
    82,758,867.60x = 114,189,764.04 × 47,949,438.36
  4. Step 4: Simplify right side
    82,758,867.60x = 5,475,335,052,178,925
  5. Step 5: Solve for x
    x = 5,475,335,052,178,925/82,758,867.60
  6. Step 6: Final answer
    x = 66,160,101.16

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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.