Home / 205,056,022.80-307,584,034.20-107,878,832.40

Finding the Fourth Proportional to 205,056,022.80, 307,584,034.20 and 107,878,832.40

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Solution

The fourth proportional to 205,056,022.80, 307,584,034.20 and 107,878,832.40 is: 161,818,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,056,022.80 : 307,584,034.20 = 107,878,832.40 : x
  2. Step 2: Convert to fraction form
    205,056,022.80/307,584,034.20 = 107,878,832.40/x
  3. Step 3: Cross multiply
    205,056,022.80x = 307,584,034.20 × 107,878,832.40
  4. Step 4: Simplify right side
    205,056,022.80x = 33,181,806,474,377,668
  5. Step 5: Solve for x
    x = 33,181,806,474,377,668/205,056,022.80
  6. Step 6: Final answer
    x = 161,818,248.60

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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.