Home / 126,390,475,375.84-189,565,531,917-36,832,520,186.30

Finding the Fourth Proportional to 126,390,475,375.84, 189,565,531,917 and 36,832,520,186.30

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Solution

The fourth proportional to 126,390,475,375.84, 189,565,531,917 and 36,832,520,186.30 is: 55,242,899,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,390,475,375.84 : 189,565,531,917 = 36,832,520,186.30 : x
  2. Step 2: Convert to fraction form
    126,390,475,375.84/189,565,531,917 = 36,832,520,186.30/x
  3. Step 3: Cross multiply
    126,390,475,375.84x = 189,565,531,917 × 36,832,520,186.30
  4. Step 4: Simplify right side
    126,390,475,375.84x = 6,982,176,280,958,651,596,800
  5. Step 5: Solve for x
    x = 6,982,176,280,958,651,596,800/126,390,475,375.84
  6. Step 6: Final answer
    x = 55,242,899,120.33

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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.