Home / 80,247,777.52-120,198,714.90-54,196,827.52

Finding the Fourth Proportional to 80,247,777.52, 120,198,714.90 and 54,196,827.52

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Solution

The fourth proportional to 80,247,777.52, 120,198,714.90 and 54,196,827.52 is: 81,178,435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,247,777.52 : 120,198,714.90 = 54,196,827.52 : x
  2. Step 2: Convert to fraction form
    80,247,777.52/120,198,714.90 = 54,196,827.52/x
  3. Step 3: Cross multiply
    80,247,777.52x = 120,198,714.90 × 54,196,827.52
  4. Step 4: Simplify right side
    80,247,777.52x = 6,514,389,019,560,955
  5. Step 5: Solve for x
    x = 6,514,389,019,560,955/80,247,777.52
  6. Step 6: Final answer
    x = 81,178,435.35

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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.