Home / 170,129,861.40-254,627,921.70-156,524,971.80

Finding the Fourth Proportional to 170,129,861.40, 254,627,921.70 and 156,524,971.80

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Solution

The fourth proportional to 170,129,861.40, 254,627,921.70 and 156,524,971.80 is: 234,265,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,129,861.40 : 254,627,921.70 = 156,524,971.80 : x
  2. Step 2: Convert to fraction form
    170,129,861.40/254,627,921.70 = 156,524,971.80/x
  3. Step 3: Cross multiply
    170,129,861.40x = 254,627,921.70 × 156,524,971.80
  4. Step 4: Simplify right side
    170,129,861.40x = 39,855,628,263,585,112
  5. Step 5: Solve for x
    x = 39,855,628,263,585,112/170,129,861.40
  6. Step 6: Final answer
    x = 234,265,918.61

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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.