Home / 103,431,474.21-155,100,522.63-29,638,375.64

Finding the Fourth Proportional to 103,431,474.21, 155,100,522.63 and 29,638,375.64

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Solution

The fourth proportional to 103,431,474.21, 155,100,522.63 and 29,638,375.64 is: 44,444,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,431,474.21 : 155,100,522.63 = 29,638,375.64 : x
  2. Step 2: Convert to fraction form
    103,431,474.21/155,100,522.63 = 29,638,375.64/x
  3. Step 3: Cross multiply
    103,431,474.21x = 155,100,522.63 × 29,638,375.64
  4. Step 4: Simplify right side
    103,431,474.21x = 4,596,927,551,585,529
  5. Step 5: Solve for x
    x = 4,596,927,551,585,529/103,431,474.21
  6. Step 6: Final answer
    x = 44,444,184.78

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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.