Home / 97,788,659.60-146,682,989.40-82,004,861.90

Finding the Fourth Proportional to 97,788,659.60, 146,682,989.40 and 82,004,861.90

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Solution

The fourth proportional to 97,788,659.60, 146,682,989.40 and 82,004,861.90 is: 123,007,292.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,788,659.60 : 146,682,989.40 = 82,004,861.90 : x
  2. Step 2: Convert to fraction form
    97,788,659.60/146,682,989.40 = 82,004,861.90/x
  3. Step 3: Cross multiply
    97,788,659.60x = 146,682,989.40 × 82,004,861.90
  4. Step 4: Simplify right side
    97,788,659.60x = 12,028,718,288,826,166
  5. Step 5: Solve for x
    x = 12,028,718,288,826,166/97,788,659.60
  6. Step 6: Final answer
    x = 123,007,292.85

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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.