Home / 166,175,313.88-229,309,919.04-91,834,984.84

Finding the Fourth Proportional to 166,175,313.88, 229,309,919.04 and 91,834,984.84

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Solution

The fourth proportional to 166,175,313.88, 229,309,919.04 and 91,834,984.84 is: 126,725,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,175,313.88 : 229,309,919.04 = 91,834,984.84 : x
  2. Step 2: Convert to fraction form
    166,175,313.88/229,309,919.04 = 91,834,984.84/x
  3. Step 3: Cross multiply
    166,175,313.88x = 229,309,919.04 × 91,834,984.84
  4. Step 4: Simplify right side
    166,175,313.88x = 21,058,672,938,700,028
  5. Step 5: Solve for x
    x = 21,058,672,938,700,028/166,175,313.88
  6. Step 6: Final answer
    x = 126,725,639.61

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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.