Home / 65,583,140.20-98,374,710.30-20,139,029.80

Finding the Fourth Proportional to 65,583,140.20, 98,374,710.30 and 20,139,029.80

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Solution

The fourth proportional to 65,583,140.20, 98,374,710.30 and 20,139,029.80 is: 30,208,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,583,140.20 : 98,374,710.30 = 20,139,029.80 : x
  2. Step 2: Convert to fraction form
    65,583,140.20/98,374,710.30 = 20,139,029.80/x
  3. Step 3: Cross multiply
    65,583,140.20x = 98,374,710.30 × 20,139,029.80
  4. Step 4: Simplify right side
    65,583,140.20x = 1,981,171,222,298,067
  5. Step 5: Solve for x
    x = 1,981,171,222,298,067/65,583,140.20
  6. Step 6: Final answer
    x = 30,208,544.70

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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.