Home / 56,489,433.60-84,734,150.40-43,719,103.20

Finding the Fourth Proportional to 56,489,433.60, 84,734,150.40 and 43,719,103.20

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Solution

The fourth proportional to 56,489,433.60, 84,734,150.40 and 43,719,103.20 is: 65,578,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489,433.60 : 84,734,150.40 = 43,719,103.20 : x
  2. Step 2: Convert to fraction form
    56,489,433.60/84,734,150.40 = 43,719,103.20/x
  3. Step 3: Cross multiply
    56,489,433.60x = 84,734,150.40 × 43,719,103.20
  4. Step 4: Simplify right side
    56,489,433.60x = 3,704,501,065,901,922
  5. Step 5: Solve for x
    x = 3,704,501,065,901,922/56,489,433.60
  6. Step 6: Final answer
    x = 65,578,654.80

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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.