Home / 166,134,939.60-229,277,014.92-91,795,509.12

Finding the Fourth Proportional to 166,134,939.60, 229,277,014.92 and 91,795,509.12

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Solution

The fourth proportional to 166,134,939.60, 229,277,014.92 and 91,795,509.12 is: 126,683,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,134,939.60 : 229,277,014.92 = 91,795,509.12 : x
  2. Step 2: Convert to fraction form
    166,134,939.60/229,277,014.92 = 91,795,509.12/x
  3. Step 3: Cross multiply
    166,134,939.60x = 229,277,014.92 × 91,795,509.12
  4. Step 4: Simplify right side
    166,134,939.60x = 21,046,600,314,095,236
  5. Step 5: Solve for x
    x = 21,046,600,314,095,236/166,134,939.60
  6. Step 6: Final answer
    x = 126,683,769.02

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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.