Home / 79,621,769.41-109,821,441.57-53,146,775.13

Finding the Fourth Proportional to 79,621,769.41, 109,821,441.57 and 53,146,775.13

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Solution

The fourth proportional to 79,621,769.41, 109,821,441.57 and 53,146,775.13 is: 73,304,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,621,769.41 : 109,821,441.57 = 53,146,775.13 : x
  2. Step 2: Convert to fraction form
    79,621,769.41/109,821,441.57 = 53,146,775.13/x
  3. Step 3: Cross multiply
    79,621,769.41x = 109,821,441.57 × 53,146,775.13
  4. Step 4: Simplify right side
    79,621,769.41x = 5,836,655,458,962,093
  5. Step 5: Solve for x
    x = 5,836,655,458,962,093/79,621,769.41
  6. Step 6: Final answer
    x = 73,304,769.57

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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.