Home / 219,027,615.20-328,541,422.80-57,485,880.80

Finding the Fourth Proportional to 219,027,615.20, 328,541,422.80 and 57,485,880.80

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Solution

The fourth proportional to 219,027,615.20, 328,541,422.80 and 57,485,880.80 is: 86,228,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,027,615.20 : 328,541,422.80 = 57,485,880.80 : x
  2. Step 2: Convert to fraction form
    219,027,615.20/328,541,422.80 = 57,485,880.80/x
  3. Step 3: Cross multiply
    219,027,615.20x = 328,541,422.80 × 57,485,880.80
  4. Step 4: Simplify right side
    219,027,615.20x = 18,886,493,068,943,200
  5. Step 5: Solve for x
    x = 18,886,493,068,943,200/219,027,615.20
  6. Step 6: Final answer
    x = 86,228,821.20

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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.