Home / 144,041,563.58-198,777,342.94-77,962,050.25

Finding the Fourth Proportional to 144,041,563.58, 198,777,342.94 and 77,962,050.25

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Solution

The fourth proportional to 144,041,563.58, 198,777,342.94 and 77,962,050.25 is: 107,587,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,041,563.58 : 198,777,342.94 = 77,962,050.25 : x
  2. Step 2: Convert to fraction form
    144,041,563.58/198,777,342.94 = 77,962,050.25/x
  3. Step 3: Cross multiply
    144,041,563.58x = 198,777,342.94 × 77,962,050.25
  4. Step 4: Simplify right side
    144,041,563.58x = 15,497,089,198,157,914
  5. Step 5: Solve for x
    x = 15,497,089,198,157,914/144,041,563.58
  6. Step 6: Final answer
    x = 107,587,621.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.