Home / 90,640,226.07-125,083,529.91-49,387,118.58

Finding the Fourth Proportional to 90,640,226.07, 125,083,529.91 and 49,387,118.58

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Solution

The fourth proportional to 90,640,226.07, 125,083,529.91 and 49,387,118.58 is: 68,154,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,640,226.07 : 125,083,529.91 = 49,387,118.58 : x
  2. Step 2: Convert to fraction form
    90,640,226.07/125,083,529.91 = 49,387,118.58/x
  3. Step 3: Cross multiply
    90,640,226.07x = 125,083,529.91 × 49,387,118.58
  4. Step 4: Simplify right side
    90,640,226.07x = 6,177,515,124,070,146
  5. Step 5: Solve for x
    x = 6,177,515,124,070,146/90,640,226.07
  6. Step 6: Final answer
    x = 68,154,233.41

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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.