Home / 228,906,015.20-343,359,022.80-219,977,806.40

Finding the Fourth Proportional to 228,906,015.20, 343,359,022.80 and 219,977,806.40

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Solution

The fourth proportional to 228,906,015.20, 343,359,022.80 and 219,977,806.40 is: 329,966,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,906,015.20 : 343,359,022.80 = 219,977,806.40 : x
  2. Step 2: Convert to fraction form
    228,906,015.20/343,359,022.80 = 219,977,806.40/x
  3. Step 3: Cross multiply
    228,906,015.20x = 343,359,022.80 × 219,977,806.40
  4. Step 4: Simplify right side
    228,906,015.20x = 75,531,364,643,191,584
  5. Step 5: Solve for x
    x = 75,531,364,643,191,584/228,906,015.20
  6. Step 6: Final answer
    x = 329,966,709.60

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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.