Home / 56,684,138.28-85,039,699.26-18,345,652.52

Finding the Fourth Proportional to 56,684,138.28, 85,039,699.26 and 18,345,652.52

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Solution

The fourth proportional to 56,684,138.28, 85,039,699.26 and 18,345,652.52 is: 27,522,845.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,684,138.28 : 85,039,699.26 = 18,345,652.52 : x
  2. Step 2: Convert to fraction form
    56,684,138.28/85,039,699.26 = 18,345,652.52/x
  3. Step 3: Cross multiply
    56,684,138.28x = 85,039,699.26 × 18,345,652.52
  4. Step 4: Simplify right side
    56,684,138.28x = 1,560,108,773,029,261.25
  5. Step 5: Solve for x
    x = 1,560,108,773,029,261.25/56,684,138.28
  6. Step 6: Final answer
    x = 27,522,845.37

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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.