Home / 51,622,409.88-77,433,270.30-20,916,536.22

Finding the Fourth Proportional to 51,622,409.88, 77,433,270.30 and 20,916,536.22

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Solution

The fourth proportional to 51,622,409.88, 77,433,270.30 and 20,916,536.22 is: 31,374,664.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,622,409.88 : 77,433,270.30 = 20,916,536.22 : x
  2. Step 2: Convert to fraction form
    51,622,409.88/77,433,270.30 = 20,916,536.22/x
  3. Step 3: Cross multiply
    51,622,409.88x = 77,433,270.30 × 20,916,536.22
  4. Step 4: Simplify right side
    51,622,409.88x = 1,619,635,802,863,000
  5. Step 5: Solve for x
    x = 1,619,635,802,863,000/51,622,409.88
  6. Step 6: Final answer
    x = 31,374,664.74

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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.