Home / 49,930,620.90-74,904,128.73-15,387,028.98

Finding the Fourth Proportional to 49,930,620.90, 74,904,128.73 and 15,387,028.98

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Solution

The fourth proportional to 49,930,620.90, 74,904,128.73 and 15,387,028.98 is: 23,083,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,930,620.90 : 74,904,128.73 = 15,387,028.98 : x
  2. Step 2: Convert to fraction form
    49,930,620.90/74,904,128.73 = 15,387,028.98/x
  3. Step 3: Cross multiply
    49,930,620.90x = 74,904,128.73 × 15,387,028.98
  4. Step 4: Simplify right side
    49,930,620.90x = 1,152,551,999,490,160.75
  5. Step 5: Solve for x
    x = 1,152,551,999,490,160.75/49,930,620.90
  6. Step 6: Final answer
    x = 23,083,069.64

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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.