Home / 92,687,540.80-139,056,194.40-82,659,611.20

Finding the Fourth Proportional to 92,687,540.80, 139,056,194.40 and 82,659,611.20

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Solution

The fourth proportional to 92,687,540.80, 139,056,194.40 and 82,659,611.20 is: 124,011,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,687,540.80 : 139,056,194.40 = 82,659,611.20 : x
  2. Step 2: Convert to fraction form
    92,687,540.80/139,056,194.40 = 82,659,611.20/x
  3. Step 3: Cross multiply
    92,687,540.80x = 139,056,194.40 × 82,659,611.20
  4. Step 4: Simplify right side
    92,687,540.80x = 11,494,330,964,055,618
  5. Step 5: Solve for x
    x = 11,494,330,964,055,618/92,687,540.80
  6. Step 6: Final answer
    x = 124,011,607.87

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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.