Home / 91,016,331.96-136,621,650.61-39,226,493.44

Finding the Fourth Proportional to 91,016,331.96, 136,621,650.61 and 39,226,493.44

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Solution

The fourth proportional to 91,016,331.96, 136,621,650.61 and 39,226,493.44 is: 58,881,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,016,331.96 : 136,621,650.61 = 39,226,493.44 : x
  2. Step 2: Convert to fraction form
    91,016,331.96/136,621,650.61 = 39,226,493.44/x
  3. Step 3: Cross multiply
    91,016,331.96x = 136,621,650.61 × 39,226,493.44
  4. Step 4: Simplify right side
    91,016,331.96x = 5,359,188,281,415,137
  5. Step 5: Solve for x
    x = 5,359,188,281,415,137/91,016,331.96
  6. Step 6: Final answer
    x = 58,881,611.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.