Home / 211,145,713-316,306,247.58-100,323,673.42

Finding the Fourth Proportional to 211,145,713, 316,306,247.58 and 100,323,673.42

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Solution

The fourth proportional to 211,145,713, 316,306,247.58 and 100,323,673.42 is: 150,289,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,145,713 : 316,306,247.58 = 100,323,673.42 : x
  2. Step 2: Convert to fraction form
    211,145,713/316,306,247.58 = 100,323,673.42/x
  3. Step 3: Cross multiply
    211,145,713x = 316,306,247.58 × 100,323,673.42
  4. Step 4: Simplify right side
    211,145,713x = 31,733,004,682,921,584
  5. Step 5: Solve for x
    x = 31,733,004,682,921,584/211,145,713
  6. Step 6: Final answer
    x = 150,289,599.69

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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.