Home / 166,678,023.18-230,015,664.45-91,324,653.60

Finding the Fourth Proportional to 166,678,023.18, 230,015,664.45 and 91,324,653.60

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Solution

The fourth proportional to 166,678,023.18, 230,015,664.45 and 91,324,653.60 is: 126,028,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,678,023.18 : 230,015,664.45 = 91,324,653.60 : x
  2. Step 2: Convert to fraction form
    166,678,023.18/230,015,664.45 = 91,324,653.60/x
  3. Step 3: Cross multiply
    166,678,023.18x = 230,015,664.45 × 91,324,653.60
  4. Step 4: Simplify right side
    166,678,023.18x = 21,006,100,878,470,084
  5. Step 5: Solve for x
    x = 21,006,100,878,470,084/166,678,023.18
  6. Step 6: Final answer
    x = 126,028,017.84

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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.