Home / 264,041,665.20-396,062,164.08-100,279,116.72

Finding the Fourth Proportional to 264,041,665.20, 396,062,164.08 and 100,279,116.72

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Solution

The fourth proportional to 264,041,665.20, 396,062,164.08 and 100,279,116.72 is: 150,418,548.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,041,665.20 : 396,062,164.08 = 100,279,116.72 : x
  2. Step 2: Convert to fraction form
    264,041,665.20/396,062,164.08 = 100,279,116.72/x
  3. Step 3: Cross multiply
    264,041,665.20x = 396,062,164.08 × 100,279,116.72
  4. Step 4: Simplify right side
    264,041,665.20x = 39,716,763,980,154,112
  5. Step 5: Solve for x
    x = 39,716,763,980,154,112/264,041,665.20
  6. Step 6: Final answer
    x = 150,418,548.34

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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.