Home / 51,622,242.89-77,433,019.88-20,916,369.23

Finding the Fourth Proportional to 51,622,242.89, 77,433,019.88 and 20,916,369.23

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Solution

The fourth proportional to 51,622,242.89, 77,433,019.88 and 20,916,369.23 is: 31,374,414.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,622,242.89 : 77,433,019.88 = 20,916,369.23 : x
  2. Step 2: Convert to fraction form
    51,622,242.89/77,433,019.88 = 20,916,369.23/x
  3. Step 3: Cross multiply
    51,622,242.89x = 77,433,019.88 × 20,916,369.23
  4. Step 4: Simplify right side
    51,622,242.89x = 1,619,617,633,912,263.50
  5. Step 5: Solve for x
    x = 1,619,617,633,912,263.50/51,622,242.89
  6. Step 6: Final answer
    x = 31,374,414.27

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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.