Home / 76,181,157.82-105,136,481.59-43,147,283.48

Finding the Fourth Proportional to 76,181,157.82, 105,136,481.59 and 43,147,283.48

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Solution

The fourth proportional to 76,181,157.82, 105,136,481.59 and 43,147,283.48 is: 59,546,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,181,157.82 : 105,136,481.59 = 43,147,283.48 : x
  2. Step 2: Convert to fraction form
    76,181,157.82/105,136,481.59 = 43,147,283.48/x
  3. Step 3: Cross multiply
    76,181,157.82x = 105,136,481.59 × 43,147,283.48
  4. Step 4: Simplify right side
    76,181,157.82x = 4,536,353,575,014,242
  5. Step 5: Solve for x
    x = 4,536,353,575,014,242/76,181,157.82
  6. Step 6: Final answer
    x = 59,546,923.47

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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.