Home / 302,783,668.20-454,388,078.70-130,384,207.80

Finding the Fourth Proportional to 302,783,668.20, 454,388,078.70 and 130,384,207.80

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Solution

The fourth proportional to 302,783,668.20, 454,388,078.70 and 130,384,207.80 is: 195,667,851.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,783,668.20 : 454,388,078.70 = 130,384,207.80 : x
  2. Step 2: Convert to fraction form
    302,783,668.20/454,388,078.70 = 130,384,207.80/x
  3. Step 3: Cross multiply
    302,783,668.20x = 454,388,078.70 × 130,384,207.80
  4. Step 4: Simplify right side
    302,783,668.20x = 59,245,029,675,063,552
  5. Step 5: Solve for x
    x = 59,245,029,675,063,552/302,783,668.20
  6. Step 6: Final answer
    x = 195,667,851.00

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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.