Home / 56,997,132.80-85,506,067.20-18,647,974.40

Finding the Fourth Proportional to 56,997,132.80, 85,506,067.20 and 18,647,974.40

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Solution

The fourth proportional to 56,997,132.80, 85,506,067.20 and 18,647,974.40 is: 27,975,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,997,132.80 : 85,506,067.20 = 18,647,974.40 : x
  2. Step 2: Convert to fraction form
    56,997,132.80/85,506,067.20 = 18,647,974.40/x
  3. Step 3: Cross multiply
    56,997,132.80x = 85,506,067.20 × 18,647,974.40
  4. Step 4: Simplify right side
    56,997,132.80x = 1,594,514,952,190,279.50
  5. Step 5: Solve for x
    x = 1,594,514,952,190,279.50/56,997,132.80
  6. Step 6: Final answer
    x = 27,975,353.74

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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.