Home / 221,238,331.20-331,857,496.80-57,462,649.20

Finding the Fourth Proportional to 221,238,331.20, 331,857,496.80 and 57,462,649.20

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Solution

The fourth proportional to 221,238,331.20, 331,857,496.80 and 57,462,649.20 is: 86,193,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,238,331.20 : 331,857,496.80 = 57,462,649.20 : x
  2. Step 2: Convert to fraction form
    221,238,331.20/331,857,496.80 = 57,462,649.20/x
  3. Step 3: Cross multiply
    221,238,331.20x = 331,857,496.80 × 57,462,649.20
  4. Step 4: Simplify right side
    221,238,331.20x = 19,069,410,923,008,524
  5. Step 5: Solve for x
    x = 19,069,410,923,008,524/221,238,331.20
  6. Step 6: Final answer
    x = 86,193,973.80

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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.