Home / 81,319,512.72-112,222,532.52-44,649,762.96

Finding the Fourth Proportional to 81,319,512.72, 112,222,532.52 and 44,649,762.96

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Solution

The fourth proportional to 81,319,512.72, 112,222,532.52 and 44,649,762.96 is: 61,617,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,319,512.72 : 112,222,532.52 = 44,649,762.96 : x
  2. Step 2: Convert to fraction form
    81,319,512.72/112,222,532.52 = 44,649,762.96/x
  3. Step 3: Cross multiply
    81,319,512.72x = 112,222,532.52 × 44,649,762.96
  4. Step 4: Simplify right side
    81,319,512.72x = 5,010,709,475,788,891
  5. Step 5: Solve for x
    x = 5,010,709,475,788,891/81,319,512.72
  6. Step 6: Final answer
    x = 61,617,554.12

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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.