Home / 166,196,429.82-229,362,948.36-91,855,391.22

Finding the Fourth Proportional to 166,196,429.82, 229,362,948.36 and 91,855,391.22

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Solution

The fourth proportional to 166,196,429.82, 229,362,948.36 and 91,855,391.22 is: 126,767,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,196,429.82 : 229,362,948.36 = 91,855,391.22 : x
  2. Step 2: Convert to fraction form
    166,196,429.82/229,362,948.36 = 91,855,391.22/x
  3. Step 3: Cross multiply
    166,196,429.82x = 229,362,948.36 × 91,855,391.22
  4. Step 4: Simplify right side
    166,196,429.82x = 21,068,223,352,980,460
  5. Step 5: Solve for x
    x = 21,068,223,352,980,460/166,196,429.82
  6. Step 6: Final answer
    x = 126,767,003.21

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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.