Home / 204,217,668.80-305,759,632.80-198,548,964.80

Finding the Fourth Proportional to 204,217,668.80, 305,759,632.80 and 198,548,964.80

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Solution

The fourth proportional to 204,217,668.80, 305,759,632.80 and 198,548,964.80 is: 297,272,312.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,217,668.80 : 305,759,632.80 = 198,548,964.80 : x
  2. Step 2: Convert to fraction form
    204,217,668.80/305,759,632.80 = 198,548,964.80/x
  3. Step 3: Cross multiply
    204,217,668.80x = 305,759,632.80 × 198,548,964.80
  4. Step 4: Simplify right side
    204,217,668.80x = 60,708,258,570,068,128
  5. Step 5: Solve for x
    x = 60,708,258,570,068,128/204,217,668.80
  6. Step 6: Final answer
    x = 297,272,312.07

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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.