Home / 51,622,231.62-77,433,003-20,916,357.96

Finding the Fourth Proportional to 51,622,231.62, 77,433,003 and 20,916,357.96

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Solution

The fourth proportional to 51,622,231.62, 77,433,003 and 20,916,357.96 is: 31,374,397.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,622,231.62 : 77,433,003 = 20,916,357.96 : x
  2. Step 2: Convert to fraction form
    51,622,231.62/77,433,003 = 20,916,357.96/x
  3. Step 3: Cross multiply
    51,622,231.62x = 77,433,003 × 20,916,357.96
  4. Step 4: Simplify right side
    51,622,231.62x = 1,619,616,408,665,754
  5. Step 5: Solve for x
    x = 1,619,616,408,665,754/51,622,231.62
  6. Step 6: Final answer
    x = 31,374,397.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.