Home / 67,312,922.20-100,969,383.30-55,833,796.60

Finding the Fourth Proportional to 67,312,922.20, 100,969,383.30 and 55,833,796.60

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Solution

The fourth proportional to 67,312,922.20, 100,969,383.30 and 55,833,796.60 is: 83,750,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,312,922.20 : 100,969,383.30 = 55,833,796.60 : x
  2. Step 2: Convert to fraction form
    67,312,922.20/100,969,383.30 = 55,833,796.60/x
  3. Step 3: Cross multiply
    67,312,922.20x = 100,969,383.30 × 55,833,796.60
  4. Step 4: Simplify right side
    67,312,922.20x = 5,637,504,009,999,637
  5. Step 5: Solve for x
    x = 5,637,504,009,999,637/67,312,922.20
  6. Step 6: Final answer
    x = 83,750,694.90

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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.