Home / 203,419,406.40-305,129,109.60-134,544,652.80

Finding the Fourth Proportional to 203,419,406.40, 305,129,109.60 and 134,544,652.80

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Solution

The fourth proportional to 203,419,406.40, 305,129,109.60 and 134,544,652.80 is: 201,816,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,419,406.40 : 305,129,109.60 = 134,544,652.80 : x
  2. Step 2: Convert to fraction form
    203,419,406.40/305,129,109.60 = 134,544,652.80/x
  3. Step 3: Cross multiply
    203,419,406.40x = 305,129,109.60 × 134,544,652.80
  4. Step 4: Simplify right side
    203,419,406.40x = 41,053,490,110,305,152
  5. Step 5: Solve for x
    x = 41,053,490,110,305,152/203,419,406.40
  6. Step 6: Final answer
    x = 201,816,979.20

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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.