Home / 42,458,493.32-63,677,216.40-18,194,668.73

Finding the Fourth Proportional to 42,458,493.32, 63,677,216.40 and 18,194,668.73

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Solution

The fourth proportional to 42,458,493.32, 63,677,216.40 and 18,194,668.73 is: 27,287,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,458,493.32 : 63,677,216.40 = 18,194,668.73 : x
  2. Step 2: Convert to fraction form
    42,458,493.32/63,677,216.40 = 18,194,668.73/x
  3. Step 3: Cross multiply
    42,458,493.32x = 63,677,216.40 × 18,194,668.73
  4. Step 4: Simplify right side
    42,458,493.32x = 1,158,585,857,728,137.25
  5. Step 5: Solve for x
    x = 1,158,585,857,728,137.25/42,458,493.32
  6. Step 6: Final answer
    x = 27,287,493.44

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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.