Home / 80,723,381.64-111,401,888.76-45,453,315.56

Finding the Fourth Proportional to 80,723,381.64, 111,401,888.76 and 45,453,315.56

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Solution

The fourth proportional to 80,723,381.64, 111,401,888.76 and 45,453,315.56 is: 62,727,614.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,723,381.64 : 111,401,888.76 = 45,453,315.56 : x
  2. Step 2: Convert to fraction form
    80,723,381.64/111,401,888.76 = 45,453,315.56/x
  3. Step 3: Cross multiply
    80,723,381.64x = 111,401,888.76 × 45,453,315.56
  4. Step 4: Simplify right side
    80,723,381.64x = 5,063,585,203,788,298
  5. Step 5: Solve for x
    x = 5,063,585,203,788,298/80,723,381.64
  6. Step 6: Final answer
    x = 62,727,614.98

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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.