Home / 262,440,469.20-393,660,703.80-80,664,027.60

Finding the Fourth Proportional to 262,440,469.20, 393,660,703.80 and 80,664,027.60

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Solution

The fourth proportional to 262,440,469.20, 393,660,703.80 and 80,664,027.60 is: 120,996,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440,469.20 : 393,660,703.80 = 80,664,027.60 : x
  2. Step 2: Convert to fraction form
    262,440,469.20/393,660,703.80 = 80,664,027.60/x
  3. Step 3: Cross multiply
    262,440,469.20x = 393,660,703.80 × 80,664,027.60
  4. Step 4: Simplify right side
    262,440,469.20x = 31,754,257,876,358,624
  5. Step 5: Solve for x
    x = 31,754,257,876,358,624/262,440,469.20
  6. Step 6: Final answer
    x = 120,996,041.40

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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.