Home / 166,299,125.32-229,494,277.90-91,964,715.76

Finding the Fourth Proportional to 166,299,125.32, 229,494,277.90 and 91,964,715.76

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Solution

The fourth proportional to 166,299,125.32, 229,494,277.90 and 91,964,715.76 is: 126,912,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,299,125.32 : 229,494,277.90 = 91,964,715.76 : x
  2. Step 2: Convert to fraction form
    166,299,125.32/229,494,277.90 = 91,964,715.76/x
  3. Step 3: Cross multiply
    166,299,125.32x = 229,494,277.90 × 91,964,715.76
  4. Step 4: Simplify right side
    166,299,125.32x = 21,105,376,035,619,952
  5. Step 5: Solve for x
    x = 21,105,376,035,619,952/166,299,125.32
  6. Step 6: Final answer
    x = 126,912,128.94

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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.