Home / 132,095,231.70-198,142,847.55-120,190,953.30

Finding the Fourth Proportional to 132,095,231.70, 198,142,847.55 and 120,190,953.30

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Solution

The fourth proportional to 132,095,231.70, 198,142,847.55 and 120,190,953.30 is: 180,286,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,095,231.70 : 198,142,847.55 = 120,190,953.30 : x
  2. Step 2: Convert to fraction form
    132,095,231.70/198,142,847.55 = 120,190,953.30/x
  3. Step 3: Cross multiply
    132,095,231.70x = 198,142,847.55 × 120,190,953.30
  4. Step 4: Simplify right side
    132,095,231.70x = 23,814,977,736,611,072
  5. Step 5: Solve for x
    x = 23,814,977,736,611,072/132,095,231.70
  6. Step 6: Final answer
    x = 180,286,429.95

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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.