Home / 43,705,128.80-65,557,693.20-41,465,640.80

Finding the Fourth Proportional to 43,705,128.80, 65,557,693.20 and 41,465,640.80

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Solution

The fourth proportional to 43,705,128.80, 65,557,693.20 and 41,465,640.80 is: 62,198,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,705,128.80 : 65,557,693.20 = 41,465,640.80 : x
  2. Step 2: Convert to fraction form
    43,705,128.80/65,557,693.20 = 41,465,640.80/x
  3. Step 3: Cross multiply
    43,705,128.80x = 65,557,693.20 × 41,465,640.80
  4. Step 4: Simplify right side
    43,705,128.80x = 2,718,391,757,907,802.50
  5. Step 5: Solve for x
    x = 2,718,391,757,907,802.50/43,705,128.80
  6. Step 6: Final answer
    x = 62,198,461.20

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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.