Home / 285,836,151.28-394,454,083.32-160,371,027.28

Finding the Fourth Proportional to 285,836,151.28, 394,454,083.32 and 160,371,027.28

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Solution

The fourth proportional to 285,836,151.28, 394,454,083.32 and 160,371,027.28 is: 221,312,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,836,151.28 : 394,454,083.32 = 160,371,027.28 : x
  2. Step 2: Convert to fraction form
    285,836,151.28/394,454,083.32 = 160,371,027.28/x
  3. Step 3: Cross multiply
    285,836,151.28x = 394,454,083.32 × 160,371,027.28
  4. Step 4: Simplify right side
    285,836,151.28x = 63,259,006,556,819,112
  5. Step 5: Solve for x
    x = 63,259,006,556,819,112/285,836,151.28
  6. Step 6: Final answer
    x = 221,312,126.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.