Home / 57,093,656.96-78,789,333.20-30,988,184.37

Finding the Fourth Proportional to 57,093,656.96, 78,789,333.20 and 30,988,184.37

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Solution

The fourth proportional to 57,093,656.96, 78,789,333.20 and 30,988,184.37 is: 42,763,741.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093,656.96 : 78,789,333.20 = 30,988,184.37 : x
  2. Step 2: Convert to fraction form
    57,093,656.96/78,789,333.20 = 30,988,184.37/x
  3. Step 3: Cross multiply
    57,093,656.96x = 78,789,333.20 × 30,988,184.37
  4. Step 4: Simplify right side
    57,093,656.96x = 2,441,538,383,436,021
  5. Step 5: Solve for x
    x = 2,441,538,383,436,021/57,093,656.96
  6. Step 6: Final answer
    x = 42,763,741.43

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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.