Home / 55,491,048.48-76,577,082.84-30,711,283.56

Finding the Fourth Proportional to 55,491,048.48, 76,577,082.84 and 30,711,283.56

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Solution

The fourth proportional to 55,491,048.48, 76,577,082.84 and 30,711,283.56 is: 42,381,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,491,048.48 : 76,577,082.84 = 30,711,283.56 : x
  2. Step 2: Convert to fraction form
    55,491,048.48/76,577,082.84 = 30,711,283.56/x
  3. Step 3: Cross multiply
    55,491,048.48x = 76,577,082.84 × 30,711,283.56
  4. Step 4: Simplify right side
    55,491,048.48x = 2,351,780,505,296,850
  5. Step 5: Solve for x
    x = 2,351,780,505,296,850/55,491,048.48
  6. Step 6: Final answer
    x = 42,381,259.13

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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.