Home / 221,285,591.28-305,369,261.48-120,810,593.10

Finding the Fourth Proportional to 221,285,591.28, 305,369,261.48 and 120,810,593.10

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Solution

The fourth proportional to 221,285,591.28, 305,369,261.48 and 120,810,593.10 is: 166,715,968.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,285,591.28 : 305,369,261.48 = 120,810,593.10 : x
  2. Step 2: Convert to fraction form
    221,285,591.28/305,369,261.48 = 120,810,593.10/x
  3. Step 3: Cross multiply
    221,285,591.28x = 305,369,261.48 × 120,810,593.10
  4. Step 4: Simplify right side
    221,285,591.28x = 36,891,841,595,354,952
  5. Step 5: Solve for x
    x = 36,891,841,595,354,952/221,285,591.28
  6. Step 6: Final answer
    x = 166,715,968.18

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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.