Home / 225,861,281.60-339,043,864.80-211,059,665.60

Finding the Fourth Proportional to 225,861,281.60, 339,043,864.80 and 211,059,665.60

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Solution

The fourth proportional to 225,861,281.60, 339,043,864.80 and 211,059,665.60 is: 316,824,929.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,861,281.60 : 339,043,864.80 = 211,059,665.60 : x
  2. Step 2: Convert to fraction form
    225,861,281.60/339,043,864.80 = 211,059,665.60/x
  3. Step 3: Cross multiply
    225,861,281.60x = 339,043,864.80 × 211,059,665.60
  4. Step 4: Simplify right side
    225,861,281.60x = 71,558,484,728,419,608
  5. Step 5: Solve for x
    x = 71,558,484,728,419,608/225,861,281.60
  6. Step 6: Final answer
    x = 316,824,929.98

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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.