Home / 302,992,314.93-454,507,673.24-128,082,750.79

Finding the Fourth Proportional to 302,992,314.93, 454,507,673.24 and 128,082,750.79

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Solution

The fourth proportional to 302,992,314.93, 454,507,673.24 and 128,082,750.79 is: 192,132,242.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,992,314.93 : 454,507,673.24 = 128,082,750.79 : x
  2. Step 2: Convert to fraction form
    302,992,314.93/454,507,673.24 = 128,082,750.79/x
  3. Step 3: Cross multiply
    302,992,314.93x = 454,507,673.24 × 128,082,750.79
  4. Step 4: Simplify right side
    302,992,314.93x = 58,214,593,043,741,680
  5. Step 5: Solve for x
    x = 58,214,593,043,741,680/302,992,314.93
  6. Step 6: Final answer
    x = 192,132,242.88

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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.