Home / 53,245,313.87-79,876,800.08-18,692,747.51

Finding the Fourth Proportional to 53,245,313.87, 79,876,800.08 and 18,692,747.51

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Solution

The fourth proportional to 53,245,313.87, 79,876,800.08 and 18,692,747.51 is: 28,042,220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,245,313.87 : 79,876,800.08 = 18,692,747.51 : x
  2. Step 2: Convert to fraction form
    53,245,313.87/79,876,800.08 = 18,692,747.51/x
  3. Step 3: Cross multiply
    53,245,313.87x = 79,876,800.08 × 18,692,747.51
  4. Step 4: Simplify right side
    53,245,313.87x = 1,493,116,855,708,724.25
  5. Step 5: Solve for x
    x = 1,493,116,855,708,724.25/53,245,313.87
  6. Step 6: Final answer
    x = 28,042,220.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.