Home / 57,093,269.05-78,786,603.84-30,987,226.36

Finding the Fourth Proportional to 57,093,269.05, 78,786,603.84 and 30,987,226.36

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Solution

The fourth proportional to 57,093,269.05, 78,786,603.84 and 30,987,226.36 is: 42,761,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093,269.05 : 78,786,603.84 = 30,987,226.36 : x
  2. Step 2: Convert to fraction form
    57,093,269.05/78,786,603.84 = 30,987,226.36/x
  3. Step 3: Cross multiply
    57,093,269.05x = 78,786,603.84 × 30,987,226.36
  4. Step 4: Simplify right side
    57,093,269.05x = 2,441,378,327,325,725.50
  5. Step 5: Solve for x
    x = 2,441,378,327,325,725.50/57,093,269.05
  6. Step 6: Final answer
    x = 42,761,228.56

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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.