Home / 190,029,109.90-285,043,664.85-162,819,330.70

Finding the Fourth Proportional to 190,029,109.90, 285,043,664.85 and 162,819,330.70

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Solution

The fourth proportional to 190,029,109.90, 285,043,664.85 and 162,819,330.70 is: 244,228,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,029,109.90 : 285,043,664.85 = 162,819,330.70 : x
  2. Step 2: Convert to fraction form
    190,029,109.90/285,043,664.85 = 162,819,330.70/x
  3. Step 3: Cross multiply
    190,029,109.90x = 285,043,664.85 × 162,819,330.70
  4. Step 4: Simplify right side
    190,029,109.90x = 46,410,618,731,152,120
  5. Step 5: Solve for x
    x = 46,410,618,731,152,120/190,029,109.90
  6. Step 6: Final answer
    x = 244,228,996.05

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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.