Home / 53,185,046.40-79,816,891.20-21,295,228.80

Finding the Fourth Proportional to 53,185,046.40, 79,816,891.20 and 21,295,228.80

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Solution

The fourth proportional to 53,185,046.40, 79,816,891.20 and 21,295,228.80 is: 31,958,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,185,046.40 : 79,816,891.20 = 21,295,228.80 : x
  2. Step 2: Convert to fraction form
    53,185,046.40/79,816,891.20 = 21,295,228.80/x
  3. Step 3: Cross multiply
    53,185,046.40x = 79,816,891.20 × 21,295,228.80
  4. Step 4: Simplify right side
    53,185,046.40x = 1,699,718,960,208,706.75
  5. Step 5: Solve for x
    x = 1,699,718,960,208,706.75/53,185,046.40
  6. Step 6: Final answer
    x = 31,958,587.52

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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.