Home / 225,843,206.40-338,764,809.60-221,308,243.20

Finding the Fourth Proportional to 225,843,206.40, 338,764,809.60 and 221,308,243.20

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Solution

The fourth proportional to 225,843,206.40, 338,764,809.60 and 221,308,243.20 is: 331,962,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,843,206.40 : 338,764,809.60 = 221,308,243.20 : x
  2. Step 2: Convert to fraction form
    225,843,206.40/338,764,809.60 = 221,308,243.20/x
  3. Step 3: Cross multiply
    225,843,206.40x = 338,764,809.60 × 221,308,243.20
  4. Step 4: Simplify right side
    225,843,206.40x = 74,971,444,870,558,496
  5. Step 5: Solve for x
    x = 74,971,444,870,558,496/225,843,206.40
  6. Step 6: Final answer
    x = 331,962,364.80

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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.