Home / 143,112,219.40-214,668,329.10-133,475,422.60

Finding the Fourth Proportional to 143,112,219.40, 214,668,329.10 and 133,475,422.60

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Solution

The fourth proportional to 143,112,219.40, 214,668,329.10 and 133,475,422.60 is: 200,213,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,112,219.40 : 214,668,329.10 = 133,475,422.60 : x
  2. Step 2: Convert to fraction form
    143,112,219.40/214,668,329.10 = 133,475,422.60/x
  3. Step 3: Cross multiply
    143,112,219.40x = 214,668,329.10 × 133,475,422.60
  4. Step 4: Simplify right side
    143,112,219.40x = 28,652,945,945,458,376
  5. Step 5: Solve for x
    x = 28,652,945,945,458,376/143,112,219.40
  6. Step 6: Final answer
    x = 200,213,133.90

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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.