Home / 408,061,263.60-612,128,653.32-131,719,029.84

Finding the Fourth Proportional to 408,061,263.60, 612,128,653.32 and 131,719,029.84

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Solution

The fourth proportional to 408,061,263.60, 612,128,653.32 and 131,719,029.84 is: 197,590,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,061,263.60 : 612,128,653.32 = 131,719,029.84 : x
  2. Step 2: Convert to fraction form
    408,061,263.60/612,128,653.32 = 131,719,029.84/x
  3. Step 3: Cross multiply
    408,061,263.60x = 612,128,653.32 × 131,719,029.84
  4. Step 4: Simplify right side
    408,061,263.60x = 80,628,992,352,576,112
  5. Step 5: Solve for x
    x = 80,628,992,352,576,112/408,061,263.60
  6. Step 6: Final answer
    x = 197,590,409.93

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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.