Home / 112,583,521.20-168,984,485.64-54,332,194.80

Finding the Fourth Proportional to 112,583,521.20, 168,984,485.64 and 54,332,194.80

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Solution

The fourth proportional to 112,583,521.20, 168,984,485.64 and 54,332,194.80 is: 81,550,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,583,521.20 : 168,984,485.64 = 54,332,194.80 : x
  2. Step 2: Convert to fraction form
    112,583,521.20/168,984,485.64 = 54,332,194.80/x
  3. Step 3: Cross multiply
    112,583,521.20x = 168,984,485.64 × 54,332,194.80
  4. Step 4: Simplify right side
    112,583,521.20x = 9,181,297,991,970,282
  5. Step 5: Solve for x
    x = 9,181,297,991,970,282/112,583,521.20
  6. Step 6: Final answer
    x = 81,550,993.38

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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.