Home / 302,789,975.82-454,178,446.47-84,434,505.27

Finding the Fourth Proportional to 302,789,975.82, 454,178,446.47 and 84,434,505.27

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Solution

The fourth proportional to 302,789,975.82, 454,178,446.47 and 84,434,505.27 is: 126,649,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,789,975.82 : 454,178,446.47 = 84,434,505.27 : x
  2. Step 2: Convert to fraction form
    302,789,975.82/454,178,446.47 = 84,434,505.27/x
  3. Step 3: Cross multiply
    302,789,975.82x = 454,178,446.47 × 84,434,505.27
  4. Step 4: Simplify right side
    302,789,975.82x = 38,348,332,431,991,632
  5. Step 5: Solve for x
    x = 38,348,332,431,991,632/302,789,975.82
  6. Step 6: Final answer
    x = 126,649,940.53

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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.