Home / 82,944,009.40-124,416,014.10-73,202,236.60

Finding the Fourth Proportional to 82,944,009.40, 124,416,014.10 and 73,202,236.60

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Solution

The fourth proportional to 82,944,009.40, 124,416,014.10 and 73,202,236.60 is: 109,803,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,009.40 : 124,416,014.10 = 73,202,236.60 : x
  2. Step 2: Convert to fraction form
    82,944,009.40/124,416,014.10 = 73,202,236.60/x
  3. Step 3: Cross multiply
    82,944,009.40x = 124,416,014.10 × 73,202,236.60
  4. Step 4: Simplify right side
    82,944,009.40x = 9,107,530,500,977,134
  5. Step 5: Solve for x
    x = 9,107,530,500,977,134/82,944,009.40
  6. Step 6: Final answer
    x = 109,803,354.90

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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.