Home / 142,560,825.17-213,479,523.99-119,471,042.30

Finding the Fourth Proportional to 142,560,825.17, 213,479,523.99 and 119,471,042.30

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Solution

The fourth proportional to 142,560,825.17, 213,479,523.99 and 119,471,042.30 is: 178,903,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,560,825.17 : 213,479,523.99 = 119,471,042.30 : x
  2. Step 2: Convert to fraction form
    142,560,825.17/213,479,523.99 = 119,471,042.30/x
  3. Step 3: Cross multiply
    142,560,825.17x = 213,479,523.99 × 119,471,042.30
  4. Step 4: Simplify right side
    142,560,825.17x = 25,504,621,239,725,760
  5. Step 5: Solve for x
    x = 25,504,621,239,725,760/142,560,825.17
  6. Step 6: Final answer
    x = 178,903,434.45

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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.