Home / 43,950,005.80-65,878,352.70-21,216,092.20

Finding the Fourth Proportional to 43,950,005.80, 65,878,352.70 and 21,216,092.20

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Solution

The fourth proportional to 43,950,005.80, 65,878,352.70 and 21,216,092.20 is: 31,801,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,950,005.80 : 65,878,352.70 = 21,216,092.20 : x
  2. Step 2: Convert to fraction form
    43,950,005.80/65,878,352.70 = 21,216,092.20/x
  3. Step 3: Cross multiply
    43,950,005.80x = 65,878,352.70 × 21,216,092.20
  4. Step 4: Simplify right side
    43,950,005.80x = 1,397,681,204,867,319
  5. Step 5: Solve for x
    x = 1,397,681,204,867,319/43,950,005.80
  6. Step 6: Final answer
    x = 31,801,615.94

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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.