Home / 57,306,401.20-79,131,987.30-55,453,302.28

Finding the Fourth Proportional to 57,306,401.20, 79,131,987.30 and 55,453,302.28

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Solution

The fourth proportional to 57,306,401.20, 79,131,987.30 and 55,453,302.28 is: 76,573,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,306,401.20 : 79,131,987.30 = 55,453,302.28 : x
  2. Step 2: Convert to fraction form
    57,306,401.20/79,131,987.30 = 55,453,302.28/x
  3. Step 3: Cross multiply
    57,306,401.20x = 79,131,987.30 × 55,453,302.28
  4. Step 4: Simplify right side
    57,306,401.20x = 4,388,130,011,764,021
  5. Step 5: Solve for x
    x = 4,388,130,011,764,021/57,306,401.20
  6. Step 6: Final answer
    x = 76,573,121.32

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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.