Home / 276,590,273.60-414,906,405.60-82,486,539.20

Finding the Fourth Proportional to 276,590,273.60, 414,906,405.60 and 82,486,539.20

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Solution

The fourth proportional to 276,590,273.60, 414,906,405.60 and 82,486,539.20 is: 123,736,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,590,273.60 : 414,906,405.60 = 82,486,539.20 : x
  2. Step 2: Convert to fraction form
    276,590,273.60/414,906,405.60 = 82,486,539.20/x
  3. Step 3: Cross multiply
    276,590,273.60x = 414,906,405.60 × 82,486,539.20
  4. Step 4: Simplify right side
    276,590,273.60x = 34,224,193,489,855,504
  5. Step 5: Solve for x
    x = 34,224,193,489,855,504/276,590,273.60
  6. Step 6: Final answer
    x = 123,736,070.12

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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.