Home / 166,131,444.84-229,266,019.53-91,796,820.36

Finding the Fourth Proportional to 166,131,444.84, 229,266,019.53 and 91,796,820.36

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Solution

The fourth proportional to 166,131,444.84, 229,266,019.53 and 91,796,820.36 is: 126,682,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,131,444.84 : 229,266,019.53 = 91,796,820.36 : x
  2. Step 2: Convert to fraction form
    166,131,444.84/229,266,019.53 = 91,796,820.36/x
  3. Step 3: Cross multiply
    166,131,444.84x = 229,266,019.53 × 91,796,820.36
  4. Step 4: Simplify right side
    166,131,444.84x = 21,045,891,609,447,660
  5. Step 5: Solve for x
    x = 21,045,891,609,447,660/166,131,444.84
  6. Step 6: Final answer
    x = 126,682,168.02

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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.