Home / 44,323,672.80-66,485,509.20-20,389,144.80

Finding the Fourth Proportional to 44,323,672.80, 66,485,509.20 and 20,389,144.80

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Solution

The fourth proportional to 44,323,672.80, 66,485,509.20 and 20,389,144.80 is: 30,583,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,323,672.80 : 66,485,509.20 = 20,389,144.80 : x
  2. Step 2: Convert to fraction form
    44,323,672.80/66,485,509.20 = 20,389,144.80/x
  3. Step 3: Cross multiply
    44,323,672.80x = 66,485,509.20 × 20,389,144.80
  4. Step 4: Simplify right side
    44,323,672.80x = 1,355,582,674,180,532.25
  5. Step 5: Solve for x
    x = 1,355,582,674,180,532.25/44,323,672.80
  6. Step 6: Final answer
    x = 30,583,717.20

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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.