Home / 142,231,338.30-213,347,007.45-106,399,530.30

Finding the Fourth Proportional to 142,231,338.30, 213,347,007.45 and 106,399,530.30

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Solution

The fourth proportional to 142,231,338.30, 213,347,007.45 and 106,399,530.30 is: 159,599,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,231,338.30 : 213,347,007.45 = 106,399,530.30 : x
  2. Step 2: Convert to fraction form
    142,231,338.30/213,347,007.45 = 106,399,530.30/x
  3. Step 3: Cross multiply
    142,231,338.30x = 213,347,007.45 × 106,399,530.30
  4. Step 4: Simplify right side
    142,231,338.30x = 22,700,021,383,590,600
  5. Step 5: Solve for x
    x = 22,700,021,383,590,600/142,231,338.30
  6. Step 6: Final answer
    x = 159,599,295.45

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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.