Home / 262,635,375.14-393,973,400.22-87,759,014.66

Finding the Fourth Proportional to 262,635,375.14, 393,973,400.22 and 87,759,014.66

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Solution

The fourth proportional to 262,635,375.14, 393,973,400.22 and 87,759,014.66 is: 131,645,317.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,635,375.14 : 393,973,400.22 = 87,759,014.66 : x
  2. Step 2: Convert to fraction form
    262,635,375.14/393,973,400.22 = 87,759,014.66/x
  3. Step 3: Cross multiply
    262,635,375.14x = 393,973,400.22 × 87,759,014.66
  4. Step 4: Simplify right side
    262,635,375.14x = 34,574,717,405,557,028
  5. Step 5: Solve for x
    x = 34,574,717,405,557,028/262,635,375.14
  6. Step 6: Final answer
    x = 131,645,317.72

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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.