Home / 159,787,798.43-220,659,452.45-151,082,669.76

Finding the Fourth Proportional to 159,787,798.43, 220,659,452.45 and 151,082,669.76

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Solution

The fourth proportional to 159,787,798.43, 220,659,452.45 and 151,082,669.76 is: 208,638,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,787,798.43 : 220,659,452.45 = 151,082,669.76 : x
  2. Step 2: Convert to fraction form
    159,787,798.43/220,659,452.45 = 151,082,669.76/x
  3. Step 3: Cross multiply
    159,787,798.43x = 220,659,452.45 × 151,082,669.76
  4. Step 4: Simplify right side
    159,787,798.43x = 33,337,819,183,170,356
  5. Step 5: Solve for x
    x = 33,337,819,183,170,356/159,787,798.43
  6. Step 6: Final answer
    x = 208,638,078.20

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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.