Home / 219,672,803.20-329,509,204.80-55,910,243.20

Finding the Fourth Proportional to 219,672,803.20, 329,509,204.80 and 55,910,243.20

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Solution

The fourth proportional to 219,672,803.20, 329,509,204.80 and 55,910,243.20 is: 83,865,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,672,803.20 : 329,509,204.80 = 55,910,243.20 : x
  2. Step 2: Convert to fraction form
    219,672,803.20/329,509,204.80 = 55,910,243.20/x
  3. Step 3: Cross multiply
    219,672,803.20x = 329,509,204.80 × 55,910,243.20
  4. Step 4: Simplify right side
    219,672,803.20x = 18,422,939,777,006,608
  5. Step 5: Solve for x
    x = 18,422,939,777,006,608/219,672,803.20
  6. Step 6: Final answer
    x = 83,865,364.80

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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.