Home / 129,356,777.40-194,052,880.80-43,086,188.40

Finding the Fourth Proportional to 129,356,777.40, 194,052,880.80 and 43,086,188.40

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Solution

The fourth proportional to 129,356,777.40, 194,052,880.80 and 43,086,188.40 is: 64,635,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,356,777.40 : 194,052,880.80 = 43,086,188.40 : x
  2. Step 2: Convert to fraction form
    129,356,777.40/194,052,880.80 = 43,086,188.40/x
  3. Step 3: Cross multiply
    129,356,777.40x = 194,052,880.80 × 43,086,188.40
  4. Step 4: Simplify right side
    129,356,777.40x = 8,360,998,981,711,543
  5. Step 5: Solve for x
    x = 8,360,998,981,711,543/129,356,777.40
  6. Step 6: Final answer
    x = 64,635,183.02

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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.