Home / 30,543,842.80-42,151,334.52-16,606,135.71

Finding the Fourth Proportional to 30,543,842.80, 42,151,334.52 and 16,606,135.71

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Solution

The fourth proportional to 30,543,842.80, 42,151,334.52 and 16,606,135.71 is: 22,916,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543,842.80 : 42,151,334.52 = 16,606,135.71 : x
  2. Step 2: Convert to fraction form
    30,543,842.80/42,151,334.52 = 16,606,135.71/x
  3. Step 3: Cross multiply
    30,543,842.80x = 42,151,334.52 × 16,606,135.71
  4. Step 4: Simplify right side
    30,543,842.80x = 699,970,781,396,727.75
  5. Step 5: Solve for x
    x = 699,970,781,396,727.75/30,543,842.80
  6. Step 6: Final answer
    x = 22,916,919.33

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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.