Home / 65,276,645.12-90,082,245.12-35,507,550.16

Finding the Fourth Proportional to 65,276,645.12, 90,082,245.12 and 35,507,550.16

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Solution

The fourth proportional to 65,276,645.12, 90,082,245.12 and 35,507,550.16 is: 49,000,677.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,276,645.12 : 90,082,245.12 = 35,507,550.16 : x
  2. Step 2: Convert to fraction form
    65,276,645.12/90,082,245.12 = 35,507,550.16/x
  3. Step 3: Cross multiply
    65,276,645.12x = 90,082,245.12 × 35,507,550.16
  4. Step 4: Simplify right side
    65,276,645.12x = 3,198,599,837,123,815
  5. Step 5: Solve for x
    x = 3,198,599,837,123,815/65,276,645.12
  6. Step 6: Final answer
    x = 49,000,677.52

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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.