Home / 222,411,067.80-333,373,299.30-78,729,941.40

Finding the Fourth Proportional to 222,411,067.80, 333,373,299.30 and 78,729,941.40

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Solution

The fourth proportional to 222,411,067.80, 333,373,299.30 and 78,729,941.40 is: 118,008,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,411,067.80 : 333,373,299.30 = 78,729,941.40 : x
  2. Step 2: Convert to fraction form
    222,411,067.80/333,373,299.30 = 78,729,941.40/x
  3. Step 3: Cross multiply
    222,411,067.80x = 333,373,299.30 × 78,729,941.40
  4. Step 4: Simplify right side
    222,411,067.80x = 26,246,460,318,213,664
  5. Step 5: Solve for x
    x = 26,246,460,318,213,664/222,411,067.80
  6. Step 6: Final answer
    x = 118,008,786.96

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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.