Home / 190,251,832.85-262,531,493.93-105,481,213.73

Finding the Fourth Proportional to 190,251,832.85, 262,531,493.93 and 105,481,213.73

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Solution

The fourth proportional to 190,251,832.85, 262,531,493.93 and 105,481,213.73 is: 145,555,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,251,832.85 : 262,531,493.93 = 105,481,213.73 : x
  2. Step 2: Convert to fraction form
    190,251,832.85/262,531,493.93 = 105,481,213.73/x
  3. Step 3: Cross multiply
    190,251,832.85x = 262,531,493.93 × 105,481,213.73
  4. Step 4: Simplify right side
    190,251,832.85x = 27,692,140,621,559,124
  5. Step 5: Solve for x
    x = 27,692,140,621,559,124/190,251,832.85
  6. Step 6: Final answer
    x = 145,555,184.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.