Home / 222,509,908.80-333,764,863.20-145,877,428.80

Finding the Fourth Proportional to 222,509,908.80, 333,764,863.20 and 145,877,428.80

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Solution

The fourth proportional to 222,509,908.80, 333,764,863.20 and 145,877,428.80 is: 218,816,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,509,908.80 : 333,764,863.20 = 145,877,428.80 : x
  2. Step 2: Convert to fraction form
    222,509,908.80/333,764,863.20 = 145,877,428.80/x
  3. Step 3: Cross multiply
    222,509,908.80x = 333,764,863.20 × 145,877,428.80
  4. Step 4: Simplify right side
    222,509,908.80x = 48,688,760,067,399,744
  5. Step 5: Solve for x
    x = 48,688,760,067,399,744/222,509,908.80
  6. Step 6: Final answer
    x = 218,816,143.20

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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.