Home / 53,891,046.75-80,843,292.84-21,097,379.60

Finding the Fourth Proportional to 53,891,046.75, 80,843,292.84 and 21,097,379.60

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Solution

The fourth proportional to 53,891,046.75, 80,843,292.84 and 21,097,379.60 is: 31,648,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,891,046.75 : 80,843,292.84 = 21,097,379.60 : x
  2. Step 2: Convert to fraction form
    53,891,046.75/80,843,292.84 = 21,097,379.60/x
  3. Step 3: Cross multiply
    53,891,046.75x = 80,843,292.84 × 21,097,379.60
  4. Step 4: Simplify right side
    53,891,046.75x = 1,705,581,637,137,503
  5. Step 5: Solve for x
    x = 1,705,581,637,137,503/53,891,046.75
  6. Step 6: Final answer
    x = 31,648,701.22

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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.