Home / 236,197,169.40-354,295,754.10-212,388,612.60

Finding the Fourth Proportional to 236,197,169.40, 354,295,754.10 and 212,388,612.60

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Solution

The fourth proportional to 236,197,169.40, 354,295,754.10 and 212,388,612.60 is: 318,582,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,197,169.40 : 354,295,754.10 = 212,388,612.60 : x
  2. Step 2: Convert to fraction form
    236,197,169.40/354,295,754.10 = 212,388,612.60/x
  3. Step 3: Cross multiply
    236,197,169.40x = 354,295,754.10 × 212,388,612.60
  4. Step 4: Simplify right side
    236,197,169.40x = 75,248,383,663,369,760
  5. Step 5: Solve for x
    x = 75,248,383,663,369,760/236,197,169.40
  6. Step 6: Final answer
    x = 318,582,918.90

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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.