Home / 31,290,805.66-43,180,493.75-17,352,125.44

Finding the Fourth Proportional to 31,290,805.66, 43,180,493.75 and 17,352,125.44

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Solution

The fourth proportional to 31,290,805.66, 43,180,493.75 and 17,352,125.44 is: 23,945,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,290,805.66 : 43,180,493.75 = 17,352,125.44 : x
  2. Step 2: Convert to fraction form
    31,290,805.66/43,180,493.75 = 17,352,125.44/x
  3. Step 3: Cross multiply
    31,290,805.66x = 43,180,493.75 × 17,352,125.44
  4. Step 4: Simplify right side
    31,290,805.66x = 749,273,344,046,565
  5. Step 5: Solve for x
    x = 749,273,344,046,565/31,290,805.66
  6. Step 6: Final answer
    x = 23,945,479.45

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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.