Home / 76,438,738-105,485,458.44-42,099,922

Finding the Fourth Proportional to 76,438,738, 105,485,458.44 and 42,099,922

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Solution

The fourth proportional to 76,438,738, 105,485,458.44 and 42,099,922 is: 58,097,892.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,438,738 : 105,485,458.44 = 42,099,922 : x
  2. Step 2: Convert to fraction form
    76,438,738/105,485,458.44 = 42,099,922/x
  3. Step 3: Cross multiply
    76,438,738x = 105,485,458.44 × 42,099,922
  4. Step 4: Simplify right side
    76,438,738x = 4,440,929,572,458,241.50
  5. Step 5: Solve for x
    x = 4,440,929,572,458,241.50/76,438,738
  6. Step 6: Final answer
    x = 58,097,892.36

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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.