Home / 50,969,189.88-70,337,577.42-30,343,349.88

Finding the Fourth Proportional to 50,969,189.88, 70,337,577.42 and 30,343,349.88

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Solution

The fourth proportional to 50,969,189.88, 70,337,577.42 and 30,343,349.88 is: 41,873,879.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,969,189.88 : 70,337,577.42 = 30,343,349.88 : x
  2. Step 2: Convert to fraction form
    50,969,189.88/70,337,577.42 = 30,343,349.88/x
  3. Step 3: Cross multiply
    50,969,189.88x = 70,337,577.42 × 30,343,349.88
  4. Step 4: Simplify right side
    50,969,189.88x = 2,134,277,721,366,647.75
  5. Step 5: Solve for x
    x = 2,134,277,721,366,647.75/50,969,189.88
  6. Step 6: Final answer
    x = 41,873,879.62

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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.