Home / 190,846,019.80-286,269,029.70-161,284,778.20

Finding the Fourth Proportional to 190,846,019.80, 286,269,029.70 and 161,284,778.20

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Solution

The fourth proportional to 190,846,019.80, 286,269,029.70 and 161,284,778.20 is: 241,927,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,846,019.80 : 286,269,029.70 = 161,284,778.20 : x
  2. Step 2: Convert to fraction form
    190,846,019.80/286,269,029.70 = 161,284,778.20/x
  3. Step 3: Cross multiply
    190,846,019.80x = 286,269,029.70 × 161,284,778.20
  4. Step 4: Simplify right side
    190,846,019.80x = 46,170,836,960,693,704
  5. Step 5: Solve for x
    x = 46,170,836,960,693,704/190,846,019.80
  6. Step 6: Final answer
    x = 241,927,167.30

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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.