Home / 49,936,068.80-74,792,128.80-40,978,116.80

Finding the Fourth Proportional to 49,936,068.80, 74,792,128.80 and 40,978,116.80

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Solution

The fourth proportional to 49,936,068.80, 74,792,128.80 and 40,978,116.80 is: 61,375,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,936,068.80 : 74,792,128.80 = 40,978,116.80 : x
  2. Step 2: Convert to fraction form
    49,936,068.80/74,792,128.80 = 40,978,116.80/x
  3. Step 3: Cross multiply
    49,936,068.80x = 74,792,128.80 × 40,978,116.80
  4. Step 4: Simplify right side
    49,936,068.80x = 3,064,840,589,687,043.50
  5. Step 5: Solve for x
    x = 3,064,840,589,687,043.50/49,936,068.80
  6. Step 6: Final answer
    x = 61,375,287.71

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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.