Home / 80,569,074.09-111,185,338.25-43,899,645.09

Finding the Fourth Proportional to 80,569,074.09, 111,185,338.25 and 43,899,645.09

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Solution

The fourth proportional to 80,569,074.09, 111,185,338.25 and 43,899,645.09 is: 60,581,518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,569,074.09 : 111,185,338.25 = 43,899,645.09 : x
  2. Step 2: Convert to fraction form
    80,569,074.09/111,185,338.25 = 43,899,645.09/x
  3. Step 3: Cross multiply
    80,569,074.09x = 111,185,338.25 × 43,899,645.09
  4. Step 4: Simplify right side
    80,569,074.09x = 4,880,996,888,167,104
  5. Step 5: Solve for x
    x = 4,880,996,888,167,104/80,569,074.09
  6. Step 6: Final answer
    x = 60,581,518.94

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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.