Home / 49,800,740.80-74,659,639.20-21,068,939.20

Finding the Fourth Proportional to 49,800,740.80, 74,659,639.20 and 21,068,939.20

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Solution

The fourth proportional to 49,800,740.80, 74,659,639.20 and 21,068,939.20 is: 31,585,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,800,740.80 : 74,659,639.20 = 21,068,939.20 : x
  2. Step 2: Convert to fraction form
    49,800,740.80/74,659,639.20 = 21,068,939.20/x
  3. Step 3: Cross multiply
    49,800,740.80x = 74,659,639.20 × 21,068,939.20
  4. Step 4: Simplify right side
    49,800,740.80x = 1,572,999,398,998,736.75
  5. Step 5: Solve for x
    x = 1,572,999,398,998,736.75/49,800,740.80
  6. Step 6: Final answer
    x = 31,585,863.46

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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.