Home / 50,719,206-69,992,504.28-28,989,640.56

Finding the Fourth Proportional to 50,719,206, 69,992,504.28 and 28,989,640.56

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Solution

The fourth proportional to 50,719,206, 69,992,504.28 and 28,989,640.56 is: 40,005,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,719,206 : 69,992,504.28 = 28,989,640.56 : x
  2. Step 2: Convert to fraction form
    50,719,206/69,992,504.28 = 28,989,640.56/x
  3. Step 3: Cross multiply
    50,719,206x = 69,992,504.28 × 28,989,640.56
  4. Step 4: Simplify right side
    50,719,206x = 2,029,057,540,971,461.50
  5. Step 5: Solve for x
    x = 2,029,057,540,971,461.50/50,719,206
  6. Step 6: Final answer
    x = 40,005,703.97

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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.