Home / 90,708,612.69-125,188,512.66-51,556,274.73

Finding the Fourth Proportional to 90,708,612.69, 125,188,512.66 and 51,556,274.73

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Solution

The fourth proportional to 90,708,612.69, 125,188,512.66 and 51,556,274.73 is: 71,153,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,708,612.69 : 125,188,512.66 = 51,556,274.73 : x
  2. Step 2: Convert to fraction form
    90,708,612.69/125,188,512.66 = 51,556,274.73/x
  3. Step 3: Cross multiply
    90,708,612.69x = 125,188,512.66 × 51,556,274.73
  4. Step 4: Simplify right side
    90,708,612.69x = 6,454,253,351,739,042
  5. Step 5: Solve for x
    x = 6,454,253,351,739,042/90,708,612.69
  6. Step 6: Final answer
    x = 71,153,699.31

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