Home / 166,087,434.78-229,202,583.57-91,746,455.31

Finding the Fourth Proportional to 166,087,434.78, 229,202,583.57 and 91,746,455.31

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Solution

The fourth proportional to 166,087,434.78, 229,202,583.57 and 91,746,455.31 is: 126,611,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,087,434.78 : 229,202,583.57 = 91,746,455.31 : x
  2. Step 2: Convert to fraction form
    166,087,434.78/229,202,583.57 = 91,746,455.31/x
  3. Step 3: Cross multiply
    166,087,434.78x = 229,202,583.57 × 91,746,455.31
  4. Step 4: Simplify right side
    166,087,434.78x = 21,028,524,590,441,544
  5. Step 5: Solve for x
    x = 21,028,524,590,441,544/166,087,434.78
  6. Step 6: Final answer
    x = 126,611,170.91

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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.