Home / 44,289,817.20-66,434,725.80-20,401,945.20

Finding the Fourth Proportional to 44,289,817.20, 66,434,725.80 and 20,401,945.20

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Solution

The fourth proportional to 44,289,817.20, 66,434,725.80 and 20,401,945.20 is: 30,602,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,289,817.20 : 66,434,725.80 = 20,401,945.20 : x
  2. Step 2: Convert to fraction form
    44,289,817.20/66,434,725.80 = 20,401,945.20/x
  3. Step 3: Cross multiply
    44,289,817.20x = 66,434,725.80 × 20,401,945.20
  4. Step 4: Simplify right side
    44,289,817.20x = 1,355,397,635,148,626
  5. Step 5: Solve for x
    x = 1,355,397,635,148,626/44,289,817.20
  6. Step 6: Final answer
    x = 30,602,917.80

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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.