Home / 130,232,710.31-195,093,672.80-75,530,405.61

Finding the Fourth Proportional to 130,232,710.31, 195,093,672.80 and 75,530,405.61

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Solution

The fourth proportional to 130,232,710.31, 195,093,672.80 and 75,530,405.61 is: 113,147,489.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,232,710.31 : 195,093,672.80 = 75,530,405.61 : x
  2. Step 2: Convert to fraction form
    130,232,710.31/195,093,672.80 = 75,530,405.61/x
  3. Step 3: Cross multiply
    130,232,710.31x = 195,093,672.80 × 75,530,405.61
  4. Step 4: Simplify right side
    130,232,710.31x = 14,735,504,238,150,972
  5. Step 5: Solve for x
    x = 14,735,504,238,150,972/130,232,710.31
  6. Step 6: Final answer
    x = 113,147,489.63

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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.