Home / 166,087,489.28-229,202,658.87-91,746,509.90

Finding the Fourth Proportional to 166,087,489.28, 229,202,658.87 and 91,746,509.90

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Solution

The fourth proportional to 166,087,489.28, 229,202,658.87 and 91,746,509.90 is: 126,611,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,087,489.28 : 229,202,658.87 = 91,746,509.90 : x
  2. Step 2: Convert to fraction form
    166,087,489.28/229,202,658.87 = 91,746,509.90/x
  3. Step 3: Cross multiply
    166,087,489.28x = 229,202,658.87 × 91,746,509.90
  4. Step 4: Simplify right side
    166,087,489.28x = 21,028,544,011,122,780
  5. Step 5: Solve for x
    x = 21,028,544,011,122,780/166,087,489.28
  6. Step 6: Final answer
    x = 126,611,246.29

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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.