Home / 143,085,015.90-214,655,517.45-61,203,735.90

Finding the Fourth Proportional to 143,085,015.90, 214,655,517.45 and 61,203,735.90

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Solution

The fourth proportional to 143,085,015.90, 214,655,517.45 and 61,203,735.90 is: 91,817,577.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,085,015.90 : 214,655,517.45 = 61,203,735.90 : x
  2. Step 2: Convert to fraction form
    143,085,015.90/214,655,517.45 = 61,203,735.90/x
  3. Step 3: Cross multiply
    143,085,015.90x = 214,655,517.45 × 61,203,735.90
  4. Step 4: Simplify right side
    143,085,015.90x = 13,137,719,599,487,640
  5. Step 5: Solve for x
    x = 13,137,719,599,487,640/143,085,015.90
  6. Step 6: Final answer
    x = 91,817,577.94

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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.