Home / 219,025,763.20-328,538,644.80-132,861,462.40

Finding the Fourth Proportional to 219,025,763.20, 328,538,644.80 and 132,861,462.40

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Solution

The fourth proportional to 219,025,763.20, 328,538,644.80 and 132,861,462.40 is: 199,292,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,025,763.20 : 328,538,644.80 = 132,861,462.40 : x
  2. Step 2: Convert to fraction form
    219,025,763.20/328,538,644.80 = 132,861,462.40/x
  3. Step 3: Cross multiply
    219,025,763.20x = 328,538,644.80 × 132,861,462.40
  4. Step 4: Simplify right side
    219,025,763.20x = 43,650,124,803,042,160
  5. Step 5: Solve for x
    x = 43,650,124,803,042,160/219,025,763.20
  6. Step 6: Final answer
    x = 199,292,193.60

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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.