Home / 204,095,480.91-281,643,650.07-120,490,542.15

Finding the Fourth Proportional to 204,095,480.91, 281,643,650.07 and 120,490,542.15

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Solution

The fourth proportional to 204,095,480.91, 281,643,650.07 and 120,490,542.15 is: 166,272,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,095,480.91 : 281,643,650.07 = 120,490,542.15 : x
  2. Step 2: Convert to fraction form
    204,095,480.91/281,643,650.07 = 120,490,542.15/x
  3. Step 3: Cross multiply
    204,095,480.91x = 281,643,650.07 × 120,490,542.15
  4. Step 4: Simplify right side
    204,095,480.91x = 33,935,396,090,039,188
  5. Step 5: Solve for x
    x = 33,935,396,090,039,188/204,095,480.91
  6. Step 6: Final answer
    x = 166,272,158.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.