Home / 185,433,740.72-278,143,747.44-74,817,249.20

Finding the Fourth Proportional to 185,433,740.72, 278,143,747.44 and 74,817,249.20

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Solution

The fourth proportional to 185,433,740.72, 278,143,747.44 and 74,817,249.20 is: 112,223,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,433,740.72 : 278,143,747.44 = 74,817,249.20 : x
  2. Step 2: Convert to fraction form
    185,433,740.72/278,143,747.44 = 74,817,249.20/x
  3. Step 3: Cross multiply
    185,433,740.72x = 278,143,747.44 × 74,817,249.20
  4. Step 4: Simplify right side
    185,433,740.72x = 20,809,950,065,640,344
  5. Step 5: Solve for x
    x = 20,809,950,065,640,344/185,433,740.72
  6. Step 6: Final answer
    x = 112,223,104.52

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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.