Home / 51,066,870.24-76,534,122.48-20,739,502.56

Finding the Fourth Proportional to 51,066,870.24, 76,534,122.48 and 20,739,502.56

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Solution

The fourth proportional to 51,066,870.24, 76,534,122.48 and 20,739,502.56 is: 31,082,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,066,870.24 : 76,534,122.48 = 20,739,502.56 : x
  2. Step 2: Convert to fraction form
    51,066,870.24/76,534,122.48 = 20,739,502.56/x
  3. Step 3: Cross multiply
    51,066,870.24x = 76,534,122.48 × 20,739,502.56
  4. Step 4: Simplify right side
    51,066,870.24x = 1,587,279,629,101,313.50
  5. Step 5: Solve for x
    x = 1,587,279,629,101,313.50/51,066,870.24
  6. Step 6: Final answer
    x = 31,082,375.36

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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.