Home / 131,520,211.60-197,442,058.20-82,997,971.60

Finding the Fourth Proportional to 131,520,211.60, 197,442,058.20 and 82,997,971.60

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Solution

The fourth proportional to 131,520,211.60, 197,442,058.20 and 82,997,971.60 is: 124,599,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,520,211.60 : 197,442,058.20 = 82,997,971.60 : x
  2. Step 2: Convert to fraction form
    131,520,211.60/197,442,058.20 = 82,997,971.60/x
  3. Step 3: Cross multiply
    131,520,211.60x = 197,442,058.20 × 82,997,971.60
  4. Step 4: Simplify right side
    131,520,211.60x = 16,387,290,339,129,144
  5. Step 5: Solve for x
    x = 16,387,290,339,129,144/131,520,211.60
  6. Step 6: Final answer
    x = 124,599,026.57

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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.