Home / 219,023,936.20-328,535,904.30-132,859,635.40

Finding the Fourth Proportional to 219,023,936.20, 328,535,904.30 and 132,859,635.40

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Solution

The fourth proportional to 219,023,936.20, 328,535,904.30 and 132,859,635.40 is: 199,289,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,023,936.20 : 328,535,904.30 = 132,859,635.40 : x
  2. Step 2: Convert to fraction form
    219,023,936.20/328,535,904.30 = 132,859,635.40/x
  3. Step 3: Cross multiply
    219,023,936.20x = 328,535,904.30 × 132,859,635.40
  4. Step 4: Simplify right side
    219,023,936.20x = 43,649,160,461,107,296
  5. Step 5: Solve for x
    x = 43,649,160,461,107,296/219,023,936.20
  6. Step 6: Final answer
    x = 199,289,453.10

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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.