Home / 169,016,843.20-253,714,221.60-130,847,569.60

Finding the Fourth Proportional to 169,016,843.20, 253,714,221.60 and 130,847,569.60

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Solution

The fourth proportional to 169,016,843.20, 253,714,221.60 and 130,847,569.60 is: 196,417,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,016,843.20 : 253,714,221.60 = 130,847,569.60 : x
  2. Step 2: Convert to fraction form
    169,016,843.20/253,714,221.60 = 130,847,569.60/x
  3. Step 3: Cross multiply
    169,016,843.20x = 253,714,221.60 × 130,847,569.60
  4. Step 4: Simplify right side
    169,016,843.20x = 33,197,889,269,315,820
  5. Step 5: Solve for x
    x = 33,197,889,269,315,820/169,016,843.20
  6. Step 6: Final answer
    x = 196,417,638.86

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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.