Home / 74,680,704.80-111,976,820.40-38,848,896.80

Finding the Fourth Proportional to 74,680,704.80, 111,976,820.40 and 38,848,896.80

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Solution

The fourth proportional to 74,680,704.80, 111,976,820.40 and 38,848,896.80 is: 58,250,333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,680,704.80 : 111,976,820.40 = 38,848,896.80 : x
  2. Step 2: Convert to fraction form
    74,680,704.80/111,976,820.40 = 38,848,896.80/x
  3. Step 3: Cross multiply
    74,680,704.80x = 111,976,820.40 × 38,848,896.80
  4. Step 4: Simplify right side
    74,680,704.80x = 4,350,175,939,711,734.50
  5. Step 5: Solve for x
    x = 4,350,175,939,711,734.50/74,680,704.80
  6. Step 6: Final answer
    x = 58,250,333.22

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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.