Home / 73,418,876.80-110,128,315.20-61,474,940.80

Finding the Fourth Proportional to 73,418,876.80, 110,128,315.20 and 61,474,940.80

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Solution

The fourth proportional to 73,418,876.80, 110,128,315.20 and 61,474,940.80 is: 92,212,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,418,876.80 : 110,128,315.20 = 61,474,940.80 : x
  2. Step 2: Convert to fraction form
    73,418,876.80/110,128,315.20 = 61,474,940.80/x
  3. Step 3: Cross multiply
    73,418,876.80x = 110,128,315.20 × 61,474,940.80
  4. Step 4: Simplify right side
    73,418,876.80x = 6,770,131,657,323,740
  5. Step 5: Solve for x
    x = 6,770,131,657,323,740/73,418,876.80
  6. Step 6: Final answer
    x = 92,212,411.20

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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.