Home / 228,906,008.70-343,359,013.05-219,977,799.90

Finding the Fourth Proportional to 228,906,008.70, 343,359,013.05 and 219,977,799.90

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Solution

The fourth proportional to 228,906,008.70, 343,359,013.05 and 219,977,799.90 is: 329,966,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,906,008.70 : 343,359,013.05 = 219,977,799.90 : x
  2. Step 2: Convert to fraction form
    228,906,008.70/343,359,013.05 = 219,977,799.90/x
  3. Step 3: Cross multiply
    228,906,008.70x = 343,359,013.05 × 219,977,799.90
  4. Step 4: Simplify right side
    228,906,008.70x = 75,531,360,266,574,400
  5. Step 5: Solve for x
    x = 75,531,360,266,574,400/228,906,008.70
  6. Step 6: Final answer
    x = 329,966,699.85

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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.