Home / 86,407,360.58-129,611,172.09-35,289,379.38

Finding the Fourth Proportional to 86,407,360.58, 129,611,172.09 and 35,289,379.38

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Solution

The fourth proportional to 86,407,360.58, 129,611,172.09 and 35,289,379.38 is: 52,934,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,407,360.58 : 129,611,172.09 = 35,289,379.38 : x
  2. Step 2: Convert to fraction form
    86,407,360.58/129,611,172.09 = 35,289,379.38/x
  3. Step 3: Cross multiply
    86,407,360.58x = 129,611,172.09 × 35,289,379.38
  4. Step 4: Simplify right side
    86,407,360.58x = 4,573,897,823,770,478
  5. Step 5: Solve for x
    x = 4,573,897,823,770,478/86,407,360.58
  6. Step 6: Final answer
    x = 52,934,122.66

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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.