Home / 102,288,817.68-153,493,759.32-37,638,021.84

Finding the Fourth Proportional to 102,288,817.68, 153,493,759.32 and 37,638,021.84

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Solution

The fourth proportional to 102,288,817.68, 153,493,759.32 and 37,638,021.84 is: 56,479,306.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,288,817.68 : 153,493,759.32 = 37,638,021.84 : x
  2. Step 2: Convert to fraction form
    102,288,817.68/153,493,759.32 = 37,638,021.84/x
  3. Step 3: Cross multiply
    102,288,817.68x = 153,493,759.32 × 37,638,021.84
  4. Step 4: Simplify right side
    102,288,817.68x = 5,777,201,465,589,864
  5. Step 5: Solve for x
    x = 5,777,201,465,589,864/102,288,817.68
  6. Step 6: Final answer
    x = 56,479,306.31

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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.