Home / 236,197,170.40-354,295,755.60-212,388,613.60

Finding the Fourth Proportional to 236,197,170.40, 354,295,755.60 and 212,388,613.60

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Solution

The fourth proportional to 236,197,170.40, 354,295,755.60 and 212,388,613.60 is: 318,582,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,197,170.40 : 354,295,755.60 = 212,388,613.60 : x
  2. Step 2: Convert to fraction form
    236,197,170.40/354,295,755.60 = 212,388,613.60/x
  3. Step 3: Cross multiply
    236,197,170.40x = 354,295,755.60 × 212,388,613.60
  4. Step 4: Simplify right side
    236,197,170.40x = 75,248,384,336,248,432
  5. Step 5: Solve for x
    x = 75,248,384,336,248,432/236,197,170.40
  6. Step 6: Final answer
    x = 318,582,920.40

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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.