Home / 76,632,350.28-114,963,668.10-28,110,654.60

Finding the Fourth Proportional to 76,632,350.28, 114,963,668.10 and 28,110,654.60

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Solution

The fourth proportional to 76,632,350.28, 114,963,668.10 and 28,110,654.60 is: 42,171,536.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,632,350.28 : 114,963,668.10 = 28,110,654.60 : x
  2. Step 2: Convert to fraction form
    76,632,350.28/114,963,668.10 = 28,110,654.60/x
  3. Step 3: Cross multiply
    76,632,350.28x = 114,963,668.10 × 28,110,654.60
  4. Step 4: Simplify right side
    76,632,350.28x = 3,231,703,965,508,138.50
  5. Step 5: Solve for x
    x = 3,231,703,965,508,138.50/76,632,350.28
  6. Step 6: Final answer
    x = 42,171,536.61

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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.