Home / 228,906,029.70-343,359,044.55-219,977,820.90

Finding the Fourth Proportional to 228,906,029.70, 343,359,044.55 and 219,977,820.90

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Solution

The fourth proportional to 228,906,029.70, 343,359,044.55 and 219,977,820.90 is: 329,966,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,906,029.70 : 343,359,044.55 = 219,977,820.90 : x
  2. Step 2: Convert to fraction form
    228,906,029.70/343,359,044.55 = 219,977,820.90/x
  3. Step 3: Cross multiply
    228,906,029.70x = 343,359,044.55 × 219,977,820.90
  4. Step 4: Simplify right side
    228,906,029.70x = 75,531,374,406,415,024
  5. Step 5: Solve for x
    x = 75,531,374,406,415,024/228,906,029.70
  6. Step 6: Final answer
    x = 329,966,731.35

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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.