Home / 76,633,354.86-114,965,199.09-28,111,632.54

Finding the Fourth Proportional to 76,633,354.86, 114,965,199.09 and 28,111,632.54

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Solution

The fourth proportional to 76,633,354.86, 114,965,199.09 and 28,111,632.54 is: 42,173,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,633,354.86 : 114,965,199.09 = 28,111,632.54 : x
  2. Step 2: Convert to fraction form
    76,633,354.86/114,965,199.09 = 28,111,632.54/x
  3. Step 3: Cross multiply
    76,633,354.86x = 114,965,199.09 × 28,111,632.54
  4. Step 4: Simplify right side
    76,633,354.86x = 3,231,859,431,706,022.50
  5. Step 5: Solve for x
    x = 3,231,859,431,706,022.50/76,633,354.86
  6. Step 6: Final answer
    x = 42,173,012.49

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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.