Home / 194,186,172.44-268,040,779.68-154,566,378.38

Finding the Fourth Proportional to 194,186,172.44, 268,040,779.68 and 154,566,378.38

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Solution

The fourth proportional to 194,186,172.44, 268,040,779.68 and 154,566,378.38 is: 213,352,434.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,186,172.44 : 268,040,779.68 = 154,566,378.38 : x
  2. Step 2: Convert to fraction form
    194,186,172.44/268,040,779.68 = 154,566,378.38/x
  3. Step 3: Cross multiply
    194,186,172.44x = 268,040,779.68 × 154,566,378.38
  4. Step 4: Simplify right side
    194,186,172.44x = 41,430,092,571,948,896
  5. Step 5: Solve for x
    x = 41,430,092,571,948,896/194,186,172.44
  6. Step 6: Final answer
    x = 213,352,434.17

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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.