Home / 143,413,643.10-215,120,464.65-131,456,220.60

Finding the Fourth Proportional to 143,413,643.10, 215,120,464.65 and 131,456,220.60

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Solution

The fourth proportional to 143,413,643.10, 215,120,464.65 and 131,456,220.60 is: 197,184,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,413,643.10 : 215,120,464.65 = 131,456,220.60 : x
  2. Step 2: Convert to fraction form
    143,413,643.10/215,120,464.65 = 131,456,220.60/x
  3. Step 3: Cross multiply
    143,413,643.10x = 215,120,464.65 × 131,456,220.60
  4. Step 4: Simplify right side
    143,413,643.10x = 28,278,923,256,604,900
  5. Step 5: Solve for x
    x = 28,278,923,256,604,900/143,413,643.10
  6. Step 6: Final answer
    x = 197,184,330.90

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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.