Home / 199,817,777.09-299,747,220.09-75,425,183.86

Finding the Fourth Proportional to 199,817,777.09, 299,747,220.09 and 75,425,183.86

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Solution

The fourth proportional to 199,817,777.09, 299,747,220.09 and 75,425,183.86 is: 113,145,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,817,777.09 : 299,747,220.09 = 75,425,183.86 : x
  2. Step 2: Convert to fraction form
    199,817,777.09/299,747,220.09 = 75,425,183.86/x
  3. Step 3: Cross multiply
    199,817,777.09x = 299,747,220.09 × 75,425,183.86
  4. Step 4: Simplify right side
    199,817,777.09x = 22,608,489,186,812,132
  5. Step 5: Solve for x
    x = 22,608,489,186,812,132/199,817,777.09
  6. Step 6: Final answer
    x = 113,145,534.48

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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.