Home / 49,821,430.54-74,765,479.45-20,675,268.55

Finding the Fourth Proportional to 49,821,430.54, 74,765,479.45 and 20,675,268.55

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Solution

The fourth proportional to 49,821,430.54, 74,765,479.45 and 20,675,268.55 is: 31,026,735.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821,430.54 : 74,765,479.45 = 20,675,268.55 : x
  2. Step 2: Convert to fraction form
    49,821,430.54/74,765,479.45 = 20,675,268.55/x
  3. Step 3: Cross multiply
    49,821,430.54x = 74,765,479.45 × 20,675,268.55
  4. Step 4: Simplify right side
    49,821,430.54x = 1,545,796,366,160,016.50
  5. Step 5: Solve for x
    x = 1,545,796,366,160,016.50/49,821,430.54
  6. Step 6: Final answer
    x = 31,026,735.87

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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.