Home / 264,979,162.26-397,511,884.02-78,251,992.56

Finding the Fourth Proportional to 264,979,162.26, 397,511,884.02 and 78,251,992.56

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Solution

The fourth proportional to 264,979,162.26, 397,511,884.02 and 78,251,992.56 is: 117,390,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,979,162.26 : 397,511,884.02 = 78,251,992.56 : x
  2. Step 2: Convert to fraction form
    264,979,162.26/397,511,884.02 = 78,251,992.56/x
  3. Step 3: Cross multiply
    264,979,162.26x = 397,511,884.02 × 78,251,992.56
  4. Step 4: Simplify right side
    264,979,162.26x = 31,106,096,990,844,624
  5. Step 5: Solve for x
    x = 31,106,096,990,844,624/264,979,162.26
  6. Step 6: Final answer
    x = 117,390,728.86

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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.