Home / 281,253,251,786.18-388,162,761,363.01-167,068,323,910.58

Finding the Fourth Proportional to 281,253,251,786.18, 388,162,761,363.01 and 167,068,323,910.58

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Solution

The fourth proportional to 281,253,251,786.18, 388,162,761,363.01 and 167,068,323,910.58 is: 230,574,052,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,253,251,786.18 : 388,162,761,363.01 = 167,068,323,910.58 : x
  2. Step 2: Convert to fraction form
    281,253,251,786.18/388,162,761,363.01 = 167,068,323,910.58/x
  3. Step 3: Cross multiply
    281,253,251,786.18x = 388,162,761,363.01 × 167,068,323,910.58
  4. Step 4: Simplify right side
    281,253,251,786.18x = 64,849,701,945,420,520,882,176
  5. Step 5: Solve for x
    x = 64,849,701,945,420,520,882,176/281,253,251,786.18
  6. Step 6: Final answer
    x = 230,574,052,152.55

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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.