Home / 234,864,400.80-352,296,601.20-213,701,239.20

Finding the Fourth Proportional to 234,864,400.80, 352,296,601.20 and 213,701,239.20

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Solution

The fourth proportional to 234,864,400.80, 352,296,601.20 and 213,701,239.20 is: 320,551,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,864,400.80 : 352,296,601.20 = 213,701,239.20 : x
  2. Step 2: Convert to fraction form
    234,864,400.80/352,296,601.20 = 213,701,239.20/x
  3. Step 3: Cross multiply
    234,864,400.80x = 352,296,601.20 × 213,701,239.20
  4. Step 4: Simplify right side
    234,864,400.80x = 75,286,220,242,388,208
  5. Step 5: Solve for x
    x = 75,286,220,242,388,208/234,864,400.80
  6. Step 6: Final answer
    x = 320,551,858.80

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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.