Home / 211,145,714-316,306,249.08-100,323,674.42

Finding the Fourth Proportional to 211,145,714, 316,306,249.08 and 100,323,674.42

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Solution

The fourth proportional to 211,145,714, 316,306,249.08 and 100,323,674.42 is: 150,289,601.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,145,714 : 316,306,249.08 = 100,323,674.42 : x
  2. Step 2: Convert to fraction form
    211,145,714/316,306,249.08 = 100,323,674.42/x
  3. Step 3: Cross multiply
    211,145,714x = 316,306,249.08 × 100,323,674.42
  4. Step 4: Simplify right side
    211,145,714x = 31,733,005,149,713,344
  5. Step 5: Solve for x
    x = 31,733,005,149,713,344/211,145,714
  6. Step 6: Final answer
    x = 150,289,601.19

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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.