Home / 76,027,250.74-105,004,206.29-51,538,449.46

Finding the Fourth Proportional to 76,027,250.74, 105,004,206.29 and 51,538,449.46

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Solution

The fourth proportional to 76,027,250.74, 105,004,206.29 and 51,538,449.46 is: 71,181,766.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,027,250.74 : 105,004,206.29 = 51,538,449.46 : x
  2. Step 2: Convert to fraction form
    76,027,250.74/105,004,206.29 = 51,538,449.46/x
  3. Step 3: Cross multiply
    76,027,250.74x = 105,004,206.29 × 51,538,449.46
  4. Step 4: Simplify right side
    76,027,250.74x = 5,411,753,978,964,580
  5. Step 5: Solve for x
    x = 5,411,753,978,964,580/76,027,250.74
  6. Step 6: Final answer
    x = 71,181,766.09

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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.