Home / 57,093,678-78,789,362.22-30,988,205.37

Finding the Fourth Proportional to 57,093,678, 78,789,362.22 and 30,988,205.37

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Solution

The fourth proportional to 57,093,678, 78,789,362.22 and 30,988,205.37 is: 42,763,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093,678 : 78,789,362.22 = 30,988,205.37 : x
  2. Step 2: Convert to fraction form
    57,093,678/78,789,362.22 = 30,988,205.37/x
  3. Step 3: Cross multiply
    57,093,678x = 78,789,362.22 × 30,988,205.37
  4. Step 4: Simplify right side
    57,093,678x = 2,441,540,937,444,679
  5. Step 5: Solve for x
    x = 2,441,540,937,444,679/57,093,678
  6. Step 6: Final answer
    x = 42,763,770.40

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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.