Home / 86,407,361.56-129,611,173.56-35,289,380.37

Finding the Fourth Proportional to 86,407,361.56, 129,611,173.56 and 35,289,380.37

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Solution

The fourth proportional to 86,407,361.56, 129,611,173.56 and 35,289,380.37 is: 52,934,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,407,361.56 : 129,611,173.56 = 35,289,380.37 : x
  2. Step 2: Convert to fraction form
    86,407,361.56/129,611,173.56 = 35,289,380.37/x
  3. Step 3: Cross multiply
    86,407,361.56x = 129,611,173.56 × 35,289,380.37
  4. Step 4: Simplify right side
    86,407,361.56x = 4,573,898,003,960,927
  5. Step 5: Solve for x
    x = 4,573,898,003,960,927/86,407,361.56
  6. Step 6: Final answer
    x = 52,934,124.15

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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.