Home / 131,519,679.90-197,291,961.45-35,781,567.90

Finding the Fourth Proportional to 131,519,679.90, 197,291,961.45 and 35,781,567.90

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Solution

The fourth proportional to 131,519,679.90, 197,291,961.45 and 35,781,567.90 is: 53,675,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,519,679.90 : 197,291,961.45 = 35,781,567.90 : x
  2. Step 2: Convert to fraction form
    131,519,679.90/197,291,961.45 = 35,781,567.90/x
  3. Step 3: Cross multiply
    131,519,679.90x = 197,291,961.45 × 35,781,567.90
  4. Step 4: Simplify right side
    131,519,679.90x = 7,059,415,714,747,357
  5. Step 5: Solve for x
    x = 7,059,415,714,747,357/131,519,679.90
  6. Step 6: Final answer
    x = 53,675,736.74

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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.