Home / 50,196,694.38-75,298,500.51-21,021,157.86

Finding the Fourth Proportional to 50,196,694.38, 75,298,500.51 and 21,021,157.86

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Solution

The fourth proportional to 50,196,694.38, 75,298,500.51 and 21,021,157.86 is: 31,533,185.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,196,694.38 : 75,298,500.51 = 21,021,157.86 : x
  2. Step 2: Convert to fraction form
    50,196,694.38/75,298,500.51 = 21,021,157.86/x
  3. Step 3: Cross multiply
    50,196,694.38x = 75,298,500.51 × 21,021,157.86
  4. Step 4: Simplify right side
    50,196,694.38x = 1,582,861,665,842,000.50
  5. Step 5: Solve for x
    x = 1,582,861,665,842,000.50/50,196,694.38
  6. Step 6: Final answer
    x = 31,533,185.31

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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.