Home / 78,344,589.26-108,001,584.70-54,749,872.52

Finding the Fourth Proportional to 78,344,589.26, 108,001,584.70 and 54,749,872.52

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Solution

The fourth proportional to 78,344,589.26, 108,001,584.70 and 54,749,872.52 is: 75,475,192.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,344,589.26 : 108,001,584.70 = 54,749,872.52 : x
  2. Step 2: Convert to fraction form
    78,344,589.26/108,001,584.70 = 54,749,872.52/x
  3. Step 3: Cross multiply
    78,344,589.26x = 108,001,584.70 × 54,749,872.52
  4. Step 4: Simplify right side
    78,344,589.26x = 5,913,072,994,282,983
  5. Step 5: Solve for x
    x = 5,913,072,994,282,983/78,344,589.26
  6. Step 6: Final answer
    x = 75,475,192.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.