Home / 112,795,853.40-169,193,780.10-74,500,608.60

Finding the Fourth Proportional to 112,795,853.40, 169,193,780.10 and 74,500,608.60

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Solution

The fourth proportional to 112,795,853.40, 169,193,780.10 and 74,500,608.60 is: 111,750,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,795,853.40 : 169,193,780.10 = 74,500,608.60 : x
  2. Step 2: Convert to fraction form
    112,795,853.40/169,193,780.10 = 74,500,608.60/x
  3. Step 3: Cross multiply
    112,795,853.40x = 169,193,780.10 × 74,500,608.60
  4. Step 4: Simplify right side
    112,795,853.40x = 12,605,039,588,784,568
  5. Step 5: Solve for x
    x = 12,605,039,588,784,568/112,795,853.40
  6. Step 6: Final answer
    x = 111,750,912.90

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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.