Home / 306,263,809.86-459,283,158.78-109,474,120.32

Finding the Fourth Proportional to 306,263,809.86, 459,283,158.78 and 109,474,120.32

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Solution

The fourth proportional to 306,263,809.86, 459,283,158.78 and 109,474,120.32 is: 164,170,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,263,809.86 : 459,283,158.78 = 109,474,120.32 : x
  2. Step 2: Convert to fraction form
    306,263,809.86/459,283,158.78 = 109,474,120.32/x
  3. Step 3: Cross multiply
    306,263,809.86x = 459,283,158.78 × 109,474,120.32
  4. Step 4: Simplify right side
    306,263,809.86x = 50,279,619,785,231,376
  5. Step 5: Solve for x
    x = 50,279,619,785,231,376/306,263,809.86
  6. Step 6: Final answer
    x = 164,170,947.29

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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.