Home / 81,319,515.72-112,222,536.66-44,649,765.96

Finding the Fourth Proportional to 81,319,515.72, 112,222,536.66 and 44,649,765.96

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Solution

The fourth proportional to 81,319,515.72, 112,222,536.66 and 44,649,765.96 is: 61,617,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,319,515.72 : 112,222,536.66 = 44,649,765.96 : x
  2. Step 2: Convert to fraction form
    81,319,515.72/112,222,536.66 = 44,649,765.96/x
  3. Step 3: Cross multiply
    81,319,515.72x = 112,222,536.66 × 44,649,765.96
  4. Step 4: Simplify right side
    81,319,515.72x = 5,010,709,997,306,520
  5. Step 5: Solve for x
    x = 5,010,709,997,306,520/81,319,515.72
  6. Step 6: Final answer
    x = 61,617,558.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.