Home / 53,253,934.22-79,883,180.67-20,912,834.58

Finding the Fourth Proportional to 53,253,934.22, 79,883,180.67 and 20,912,834.58

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Solution

The fourth proportional to 53,253,934.22, 79,883,180.67 and 20,912,834.58 is: 31,370,146.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,253,934.22 : 79,883,180.67 = 20,912,834.58 : x
  2. Step 2: Convert to fraction form
    53,253,934.22/79,883,180.67 = 20,912,834.58/x
  3. Step 3: Cross multiply
    53,253,934.22x = 79,883,180.67 × 20,912,834.58
  4. Step 4: Simplify right side
    53,253,934.22x = 1,670,583,743,075,963.50
  5. Step 5: Solve for x
    x = 1,670,583,743,075,963.50/53,253,934.22
  6. Step 6: Final answer
    x = 31,370,146.97

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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.