Home / 238,922,032.86-358,522,142.49-100,738,974.78

Finding the Fourth Proportional to 238,922,032.86, 358,522,142.49 and 100,738,974.78

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Solution

The fourth proportional to 238,922,032.86, 358,522,142.49 and 100,738,974.78 is: 151,167,109.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,922,032.86 : 358,522,142.49 = 100,738,974.78 : x
  2. Step 2: Convert to fraction form
    238,922,032.86/358,522,142.49 = 100,738,974.78/x
  3. Step 3: Cross multiply
    238,922,032.86x = 358,522,142.49 × 100,738,974.78
  4. Step 4: Simplify right side
    238,922,032.86x = 36,117,153,070,371,680
  5. Step 5: Solve for x
    x = 36,117,153,070,371,680/238,922,032.86
  6. Step 6: Final answer
    x = 151,167,109.36

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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.