Home / 165,659,661.60-248,487,159.60-74,783,104.80

Finding the Fourth Proportional to 165,659,661.60, 248,487,159.60 and 74,783,104.80

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Solution

The fourth proportional to 165,659,661.60, 248,487,159.60 and 74,783,104.80 is: 112,173,604.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,659,661.60 : 248,487,159.60 = 74,783,104.80 : x
  2. Step 2: Convert to fraction form
    165,659,661.60/248,487,159.60 = 74,783,104.80/x
  3. Step 3: Cross multiply
    165,659,661.60x = 248,487,159.60 × 74,783,104.80
  4. Step 4: Simplify right side
    165,659,661.60x = 18,582,641,297,821,124
  5. Step 5: Solve for x
    x = 18,582,641,297,821,124/165,659,661.60
  6. Step 6: Final answer
    x = 112,173,604.11

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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.