Home / 74,674,939.70-112,004,115.15-61,188,245.30

Finding the Fourth Proportional to 74,674,939.70, 112,004,115.15 and 61,188,245.30

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Solution

The fourth proportional to 74,674,939.70, 112,004,115.15 and 61,188,245.30 is: 91,775,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,674,939.70 : 112,004,115.15 = 61,188,245.30 : x
  2. Step 2: Convert to fraction form
    74,674,939.70/112,004,115.15 = 61,188,245.30/x
  3. Step 3: Cross multiply
    74,674,939.70x = 112,004,115.15 × 61,188,245.30
  4. Step 4: Simplify right side
    74,674,939.70x = 6,853,335,272,407,646
  5. Step 5: Solve for x
    x = 6,853,335,272,407,646/74,674,939.70
  6. Step 6: Final answer
    x = 91,775,571.56

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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.