Home / 204,692,090.84-307,176,288.10-80,179,275.18

Finding the Fourth Proportional to 204,692,090.84, 307,176,288.10 and 80,179,275.18

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Solution

The fourth proportional to 204,692,090.84, 307,176,288.10 and 80,179,275.18 is: 120,323,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,692,090.84 : 307,176,288.10 = 80,179,275.18 : x
  2. Step 2: Convert to fraction form
    204,692,090.84/307,176,288.10 = 80,179,275.18/x
  3. Step 3: Cross multiply
    204,692,090.84x = 307,176,288.10 × 80,179,275.18
  4. Step 4: Simplify right side
    204,692,090.84x = 24,629,172,132,340,864
  5. Step 5: Solve for x
    x = 24,629,172,132,340,864/204,692,090.84
  6. Step 6: Final answer
    x = 120,323,027.78

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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.