Home / 264,645,813.99-396,902,721.78-77,862,589.86

Finding the Fourth Proportional to 264,645,813.99, 396,902,721.78 and 77,862,589.86

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Solution

The fourth proportional to 264,645,813.99, 396,902,721.78 and 77,862,589.86 is: 116,774,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,645,813.99 : 396,902,721.78 = 77,862,589.86 : x
  2. Step 2: Convert to fraction form
    264,645,813.99/396,902,721.78 = 77,862,589.86/x
  3. Step 3: Cross multiply
    264,645,813.99x = 396,902,721.78 × 77,862,589.86
  4. Step 4: Simplify right side
    264,645,813.99x = 30,903,873,840,273,828
  5. Step 5: Solve for x
    x = 30,903,873,840,273,828/264,645,813.99
  6. Step 6: Final answer
    x = 116,774,466.88

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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.