Home / 165,589,078.80-248,383,618.20-56,537,385.60

Finding the Fourth Proportional to 165,589,078.80, 248,383,618.20 and 56,537,385.60

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Solution

The fourth proportional to 165,589,078.80, 248,383,618.20 and 56,537,385.60 is: 84,806,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,589,078.80 : 248,383,618.20 = 56,537,385.60 : x
  2. Step 2: Convert to fraction form
    165,589,078.80/248,383,618.20 = 56,537,385.60/x
  3. Step 3: Cross multiply
    165,589,078.80x = 248,383,618.20 × 56,537,385.60
  4. Step 4: Simplify right side
    165,589,078.80x = 14,042,960,398,896,578
  5. Step 5: Solve for x
    x = 14,042,960,398,896,578/165,589,078.80
  6. Step 6: Final answer
    x = 84,806,078.40

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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.