Home / 49,343,481.43-68,101,130.45-28,431,510.41

Finding the Fourth Proportional to 49,343,481.43, 68,101,130.45 and 28,431,510.41

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Solution

The fourth proportional to 49,343,481.43, 68,101,130.45 and 28,431,510.41 is: 39,239,590.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,343,481.43 : 68,101,130.45 = 28,431,510.41 : x
  2. Step 2: Convert to fraction form
    49,343,481.43/68,101,130.45 = 28,431,510.41/x
  3. Step 3: Cross multiply
    49,343,481.43x = 68,101,130.45 × 28,431,510.41
  4. Step 4: Simplify right side
    49,343,481.43x = 1,936,217,999,179,785.25
  5. Step 5: Solve for x
    x = 1,936,217,999,179,785.25/49,343,481.43
  6. Step 6: Final answer
    x = 39,239,590.38

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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.