Home / 166,175,315.88-229,309,921.80-91,834,986.84

Finding the Fourth Proportional to 166,175,315.88, 229,309,921.80 and 91,834,986.84

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Solution

The fourth proportional to 166,175,315.88, 229,309,921.80 and 91,834,986.84 is: 126,725,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,175,315.88 : 229,309,921.80 = 91,834,986.84 : x
  2. Step 2: Convert to fraction form
    166,175,315.88/229,309,921.80 = 91,834,986.84/x
  3. Step 3: Cross multiply
    166,175,315.88x = 229,309,921.80 × 91,834,986.84
  4. Step 4: Simplify right side
    166,175,315.88x = 21,058,673,650,784,432
  5. Step 5: Solve for x
    x = 21,058,673,650,784,432/166,175,315.88
  6. Step 6: Final answer
    x = 126,725,642.37

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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.