Home / 143,413,751.60-215,120,627.40-131,456,329.10

Finding the Fourth Proportional to 143,413,751.60, 215,120,627.40 and 131,456,329.10

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Solution

The fourth proportional to 143,413,751.60, 215,120,627.40 and 131,456,329.10 is: 197,184,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,413,751.60 : 215,120,627.40 = 131,456,329.10 : x
  2. Step 2: Convert to fraction form
    143,413,751.60/215,120,627.40 = 131,456,329.10/x
  3. Step 3: Cross multiply
    143,413,751.60x = 215,120,627.40 × 131,456,329.10
  4. Step 4: Simplify right side
    143,413,751.60x = 28,278,967,991,692,876
  5. Step 5: Solve for x
    x = 28,278,967,991,692,876/143,413,751.60
  6. Step 6: Final answer
    x = 197,184,493.65

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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.