Home / 74,729,412.78-103,126,633.87-41,689,662.03

Finding the Fourth Proportional to 74,729,412.78, 103,126,633.87 and 41,689,662.03

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Solution

The fourth proportional to 74,729,412.78, 103,126,633.87 and 41,689,662.03 is: 57,531,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,729,412.78 : 103,126,633.87 = 41,689,662.03 : x
  2. Step 2: Convert to fraction form
    74,729,412.78/103,126,633.87 = 41,689,662.03/x
  3. Step 3: Cross multiply
    74,729,412.78x = 103,126,633.87 × 41,689,662.03
  4. Step 4: Simplify right side
    74,729,412.78x = 4,299,314,512,016,114.50
  5. Step 5: Solve for x
    x = 4,299,314,512,016,114.50/74,729,412.78
  6. Step 6: Final answer
    x = 57,531,758.27

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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.