Home / 312,757,591.20-469,360,335.60-131,135,114.40

Finding the Fourth Proportional to 312,757,591.20, 469,360,335.60 and 131,135,114.40

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Solution

The fourth proportional to 312,757,591.20, 469,360,335.60 and 131,135,114.40 is: 196,796,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,757,591.20 : 469,360,335.60 = 131,135,114.40 : x
  2. Step 2: Convert to fraction form
    312,757,591.20/469,360,335.60 = 131,135,114.40/x
  3. Step 3: Cross multiply
    312,757,591.20x = 469,360,335.60 × 131,135,114.40
  4. Step 4: Simplify right side
    312,757,591.20x = 61,549,621,303,728,400
  5. Step 5: Solve for x
    x = 61,549,621,303,728,400/312,757,591.20
  6. Step 6: Final answer
    x = 196,796,570.36

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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.