Home / 52,489,969.80-78,734,954.70-43,986,913.80

Finding the Fourth Proportional to 52,489,969.80, 78,734,954.70 and 43,986,913.80

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Solution

The fourth proportional to 52,489,969.80, 78,734,954.70 and 43,986,913.80 is: 65,980,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,489,969.80 : 78,734,954.70 = 43,986,913.80 : x
  2. Step 2: Convert to fraction form
    52,489,969.80/78,734,954.70 = 43,986,913.80/x
  3. Step 3: Cross multiply
    52,489,969.80x = 78,734,954.70 × 43,986,913.80
  4. Step 4: Simplify right side
    52,489,969.80x = 3,463,307,665,435,805
  5. Step 5: Solve for x
    x = 3,463,307,665,435,805/52,489,969.80
  6. Step 6: Final answer
    x = 65,980,370.70

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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.