Home / 262,440,475.20-393,660,712.80-80,664,033.60

Finding the Fourth Proportional to 262,440,475.20, 393,660,712.80 and 80,664,033.60

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Solution

The fourth proportional to 262,440,475.20, 393,660,712.80 and 80,664,033.60 is: 120,996,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440,475.20 : 393,660,712.80 = 80,664,033.60 : x
  2. Step 2: Convert to fraction form
    262,440,475.20/393,660,712.80 = 80,664,033.60/x
  3. Step 3: Cross multiply
    262,440,475.20x = 393,660,712.80 × 80,664,033.60
  4. Step 4: Simplify right side
    262,440,475.20x = 31,754,260,964,299,148
  5. Step 5: Solve for x
    x = 31,754,260,964,299,148/262,440,475.20
  6. Step 6: Final answer
    x = 120,996,050.40

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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.