Home / 49,467,309.26-74,179,312.59-20,301,146.78

Finding the Fourth Proportional to 49,467,309.26, 74,179,312.59 and 20,301,146.78

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Solution

The fourth proportional to 49,467,309.26, 74,179,312.59 and 20,301,146.78 is: 30,442,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,467,309.26 : 74,179,312.59 = 20,301,146.78 : x
  2. Step 2: Convert to fraction form
    49,467,309.26/74,179,312.59 = 20,301,146.78/x
  3. Step 3: Cross multiply
    49,467,309.26x = 74,179,312.59 × 20,301,146.78
  4. Step 4: Simplify right side
    49,467,309.26x = 1,505,925,112,929,092
  5. Step 5: Solve for x
    x = 1,505,925,112,929,092/49,467,309.26
  6. Step 6: Final answer
    x = 30,442,834.58

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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.