Home / 74,859,969.60-112,100,997.60-49,161,844.80

Finding the Fourth Proportional to 74,859,969.60, 112,100,997.60 and 49,161,844.80

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Solution

The fourth proportional to 74,859,969.60, 112,100,997.60 and 49,161,844.80 is: 73,618,675.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,859,969.60 : 112,100,997.60 = 49,161,844.80 : x
  2. Step 2: Convert to fraction form
    74,859,969.60/112,100,997.60 = 49,161,844.80/x
  3. Step 3: Cross multiply
    74,859,969.60x = 112,100,997.60 × 49,161,844.80
  4. Step 4: Simplify right side
    74,859,969.60x = 5,511,091,845,936,372
  5. Step 5: Solve for x
    x = 5,511,091,845,936,372/74,859,969.60
  6. Step 6: Final answer
    x = 73,618,675.98

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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.