Home / 217,506,119.80-326,259,179.70-209,145,364.60

Finding the Fourth Proportional to 217,506,119.80, 326,259,179.70 and 209,145,364.60

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Solution

The fourth proportional to 217,506,119.80, 326,259,179.70 and 209,145,364.60 is: 313,718,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,506,119.80 : 326,259,179.70 = 209,145,364.60 : x
  2. Step 2: Convert to fraction form
    217,506,119.80/326,259,179.70 = 209,145,364.60/x
  3. Step 3: Cross multiply
    217,506,119.80x = 326,259,179.70 × 209,145,364.60
  4. Step 4: Simplify right side
    217,506,119.80x = 68,235,595,092,453,416
  5. Step 5: Solve for x
    x = 68,235,595,092,453,416/217,506,119.80
  6. Step 6: Final answer
    x = 313,718,046.90

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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.