Home / 192,823,678,828.80-288,960,836,321.16-142,059,892,453.56

Finding the Fourth Proportional to 192,823,678,828.80, 288,960,836,321.16 and 142,059,892,453.56

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Solution

The fourth proportional to 192,823,678,828.80, 288,960,836,321.16 and 142,059,892,453.56 is: 212,887,470,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,823,678,828.80 : 288,960,836,321.16 = 142,059,892,453.56 : x
  2. Step 2: Convert to fraction form
    192,823,678,828.80/288,960,836,321.16 = 142,059,892,453.56/x
  3. Step 3: Cross multiply
    192,823,678,828.80x = 288,960,836,321.16 × 142,059,892,453.56
  4. Step 4: Simplify right side
    192,823,678,828.80x = 41,049,745,331,074,736,586,752
  5. Step 5: Solve for x
    x = 41,049,745,331,074,736,586,752/192,823,678,828.80
  6. Step 6: Final answer
    x = 212,887,470,980.79

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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.