Home / 50,719,203.75-69,992,501.18-28,989,638.31

Finding the Fourth Proportional to 50,719,203.75, 69,992,501.18 and 28,989,638.31

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Solution

The fourth proportional to 50,719,203.75, 69,992,501.18 and 28,989,638.31 is: 40,005,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,719,203.75 : 69,992,501.18 = 28,989,638.31 : x
  2. Step 2: Convert to fraction form
    50,719,203.75/69,992,501.18 = 28,989,638.31/x
  3. Step 3: Cross multiply
    50,719,203.75x = 69,992,501.18 × 28,989,638.31
  4. Step 4: Simplify right side
    50,719,203.75x = 2,029,057,293,475,499.75
  5. Step 5: Solve for x
    x = 2,029,057,293,475,499.75/50,719,203.75
  6. Step 6: Final answer
    x = 40,005,700.87

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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.