Home / 142,231,372.80-213,347,059.20-106,399,564.80

Finding the Fourth Proportional to 142,231,372.80, 213,347,059.20 and 106,399,564.80

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Solution

The fourth proportional to 142,231,372.80, 213,347,059.20 and 106,399,564.80 is: 159,599,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,231,372.80 : 213,347,059.20 = 106,399,564.80 : x
  2. Step 2: Convert to fraction form
    142,231,372.80/213,347,059.20 = 106,399,564.80/x
  3. Step 3: Cross multiply
    142,231,372.80x = 213,347,059.20 × 106,399,564.80
  4. Step 4: Simplify right side
    142,231,372.80x = 22,700,034,250,239,836
  5. Step 5: Solve for x
    x = 22,700,034,250,239,836/142,231,372.80
  6. Step 6: Final answer
    x = 159,599,347.20

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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.