Home / 86,407,361.33-129,611,173.22-35,289,380.13

Finding the Fourth Proportional to 86,407,361.33, 129,611,173.22 and 35,289,380.13

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Solution

The fourth proportional to 86,407,361.33, 129,611,173.22 and 35,289,380.13 is: 52,934,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,407,361.33 : 129,611,173.22 = 35,289,380.13 : x
  2. Step 2: Convert to fraction form
    86,407,361.33/129,611,173.22 = 35,289,380.13/x
  3. Step 3: Cross multiply
    86,407,361.33x = 129,611,173.22 × 35,289,380.13
  4. Step 4: Simplify right side
    86,407,361.33x = 4,573,897,960,679,410
  5. Step 5: Solve for x
    x = 4,573,897,960,679,410/86,407,361.33
  6. Step 6: Final answer
    x = 52,934,123.79

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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.