Home / 55,769,629.08-76,960,553.76-30,989,175.96

Finding the Fourth Proportional to 55,769,629.08, 76,960,553.76 and 30,989,175.96

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Solution

The fourth proportional to 55,769,629.08, 76,960,553.76 and 30,989,175.96 is: 42,764,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,769,629.08 : 76,960,553.76 = 30,989,175.96 : x
  2. Step 2: Convert to fraction form
    55,769,629.08/76,960,553.76 = 30,989,175.96/x
  3. Step 3: Cross multiply
    55,769,629.08x = 76,960,553.76 × 30,989,175.96
  4. Step 4: Simplify right side
    55,769,629.08x = 2,384,944,142,447,680
  5. Step 5: Solve for x
    x = 2,384,944,142,447,680/55,769,629.08
  6. Step 6: Final answer
    x = 42,764,210.23

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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.