Home / 190,336,589.84-285,446,763.42-131,626,361.61

Finding the Fourth Proportional to 190,336,589.84, 285,446,763.42 and 131,626,361.61

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Solution

The fourth proportional to 190,336,589.84, 285,446,763.42 and 131,626,361.61 is: 197,399,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,336,589.84 : 285,446,763.42 = 131,626,361.61 : x
  2. Step 2: Convert to fraction form
    190,336,589.84/285,446,763.42 = 131,626,361.61/x
  3. Step 3: Cross multiply
    190,336,589.84x = 285,446,763.42 × 131,626,361.61
  4. Step 4: Simplify right side
    190,336,589.84x = 37,572,318,901,830,120
  5. Step 5: Solve for x
    x = 37,572,318,901,830,120/190,336,589.84
  6. Step 6: Final answer
    x = 197,399,348.87

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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.