Home / 108,635,287.20-162,952,930.80-74,197,910.40

Finding the Fourth Proportional to 108,635,287.20, 162,952,930.80 and 74,197,910.40

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Solution

The fourth proportional to 108,635,287.20, 162,952,930.80 and 74,197,910.40 is: 111,296,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,635,287.20 : 162,952,930.80 = 74,197,910.40 : x
  2. Step 2: Convert to fraction form
    108,635,287.20/162,952,930.80 = 74,197,910.40/x
  3. Step 3: Cross multiply
    108,635,287.20x = 162,952,930.80 × 74,197,910.40
  4. Step 4: Simplify right side
    108,635,287.20x = 12,090,766,958,915,802
  5. Step 5: Solve for x
    x = 12,090,766,958,915,802/108,635,287.20
  6. Step 6: Final answer
    x = 111,296,865.60

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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.