Home / 215,485,361.80-323,228,046.98-51,723,118.37

Finding the Fourth Proportional to 215,485,361.80, 323,228,046.98 and 51,723,118.37

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Solution

The fourth proportional to 215,485,361.80, 323,228,046.98 and 51,723,118.37 is: 77,584,678.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,485,361.80 : 323,228,046.98 = 51,723,118.37 : x
  2. Step 2: Convert to fraction form
    215,485,361.80/323,228,046.98 = 51,723,118.37/x
  3. Step 3: Cross multiply
    215,485,361.80x = 323,228,046.98 × 51,723,118.37
  4. Step 4: Simplify right side
    215,485,361.80x = 16,718,362,535,387,840
  5. Step 5: Solve for x
    x = 16,718,362,535,387,840/215,485,361.80
  6. Step 6: Final answer
    x = 77,584,678.59

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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.