Home / 239,746,826.22-330,850,621.35-129,738,540.30

Finding the Fourth Proportional to 239,746,826.22, 330,850,621.35 and 129,738,540.30

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Solution

The fourth proportional to 239,746,826.22, 330,850,621.35 and 129,738,540.30 is: 179,039,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,746,826.22 : 330,850,621.35 = 129,738,540.30 : x
  2. Step 2: Convert to fraction form
    239,746,826.22/330,850,621.35 = 129,738,540.30/x
  3. Step 3: Cross multiply
    239,746,826.22x = 330,850,621.35 × 129,738,540.30
  4. Step 4: Simplify right side
    239,746,826.22x = 42,924,076,671,297,016
  5. Step 5: Solve for x
    x = 42,924,076,671,297,016/239,746,826.22
  6. Step 6: Final answer
    x = 179,039,186.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.