Home / 221,232,145.20-331,848,217.80-57,456,463.20

Finding the Fourth Proportional to 221,232,145.20, 331,848,217.80 and 57,456,463.20

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Solution

The fourth proportional to 221,232,145.20, 331,848,217.80 and 57,456,463.20 is: 86,184,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,232,145.20 : 331,848,217.80 = 57,456,463.20 : x
  2. Step 2: Convert to fraction form
    221,232,145.20/331,848,217.80 = 57,456,463.20/x
  3. Step 3: Cross multiply
    221,232,145.20x = 331,848,217.80 × 57,456,463.20
  4. Step 4: Simplify right side
    221,232,145.20x = 19,066,824,914,011,288
  5. Step 5: Solve for x
    x = 19,066,824,914,011,288/221,232,145.20
  6. Step 6: Final answer
    x = 86,184,694.80

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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.