Home / 66,733,938.20-100,100,907.30-53,744,907.80

Finding the Fourth Proportional to 66,733,938.20, 100,100,907.30 and 53,744,907.80

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Solution

The fourth proportional to 66,733,938.20, 100,100,907.30 and 53,744,907.80 is: 80,617,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,733,938.20 : 100,100,907.30 = 53,744,907.80 : x
  2. Step 2: Convert to fraction form
    66,733,938.20/100,100,907.30 = 53,744,907.80/x
  3. Step 3: Cross multiply
    66,733,938.20x = 100,100,907.30 × 53,744,907.80
  4. Step 4: Simplify right side
    66,733,938.20x = 5,379,914,033,534,846
  5. Step 5: Solve for x
    x = 5,379,914,033,534,846/66,733,938.20
  6. Step 6: Final answer
    x = 80,617,361.70

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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.