Home / 219,024,277.20-328,536,415.80-132,859,976.40

Finding the Fourth Proportional to 219,024,277.20, 328,536,415.80 and 132,859,976.40

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Solution

The fourth proportional to 219,024,277.20, 328,536,415.80 and 132,859,976.40 is: 199,289,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,024,277.20 : 328,536,415.80 = 132,859,976.40 : x
  2. Step 2: Convert to fraction form
    219,024,277.20/328,536,415.80 = 132,859,976.40/x
  3. Step 3: Cross multiply
    219,024,277.20x = 328,536,415.80 × 132,859,976.40
  4. Step 4: Simplify right side
    219,024,277.20x = 43,649,340,449,728,592
  5. Step 5: Solve for x
    x = 43,649,340,449,728,592/219,024,277.20
  6. Step 6: Final answer
    x = 199,289,964.60

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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.