Home / 76,021,347.76-104,996,064.92-51,532,546.48

Finding the Fourth Proportional to 76,021,347.76, 104,996,064.92 and 51,532,546.48

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Solution

The fourth proportional to 76,021,347.76, 104,996,064.92 and 51,532,546.48 is: 71,173,621.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,021,347.76 : 104,996,064.92 = 51,532,546.48 : x
  2. Step 2: Convert to fraction form
    76,021,347.76/104,996,064.92 = 51,532,546.48/x
  3. Step 3: Cross multiply
    76,021,347.76x = 104,996,064.92 × 51,532,546.48
  4. Step 4: Simplify right side
    76,021,347.76x = 5,410,714,595,186,845
  5. Step 5: Solve for x
    x = 5,410,714,595,186,845/76,021,347.76
  6. Step 6: Final answer
    x = 71,173,621.03

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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.