Home / 302,783,829.20-454,388,320.20-130,384,368.80

Finding the Fourth Proportional to 302,783,829.20, 454,388,320.20 and 130,384,368.80

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Solution

The fourth proportional to 302,783,829.20, 454,388,320.20 and 130,384,368.80 is: 195,668,092.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,783,829.20 : 454,388,320.20 = 130,384,368.80 : x
  2. Step 2: Convert to fraction form
    302,783,829.20/454,388,320.20 = 130,384,368.80/x
  3. Step 3: Cross multiply
    302,783,829.20x = 454,388,320.20 × 130,384,368.80
  4. Step 4: Simplify right side
    302,783,829.20x = 59,245,134,319,369,288
  5. Step 5: Solve for x
    x = 59,245,134,319,369,288/302,783,829.20
  6. Step 6: Final answer
    x = 195,668,092.57

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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.