Home / 66,433,839.80-99,650,759.70-55,663,302.20

Finding the Fourth Proportional to 66,433,839.80, 99,650,759.70 and 55,663,302.20

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Solution

The fourth proportional to 66,433,839.80, 99,650,759.70 and 55,663,302.20 is: 83,494,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,839.80 : 99,650,759.70 = 55,663,302.20 : x
  2. Step 2: Convert to fraction form
    66,433,839.80/99,650,759.70 = 55,663,302.20/x
  3. Step 3: Cross multiply
    66,433,839.80x = 99,650,759.70 × 55,663,302.20
  4. Step 4: Simplify right side
    66,433,839.80x = 5,546,890,351,640,682
  5. Step 5: Solve for x
    x = 5,546,890,351,640,682/66,433,839.80
  6. Step 6: Final answer
    x = 83,494,953.30

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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.