Home / 185,950,176.39-278,839,072.69-69,334,220.90

Finding the Fourth Proportional to 185,950,176.39, 278,839,072.69 and 69,334,220.90

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Solution

The fourth proportional to 185,950,176.39, 278,839,072.69 and 69,334,220.90 is: 103,969,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,950,176.39 : 278,839,072.69 = 69,334,220.90 : x
  2. Step 2: Convert to fraction form
    185,950,176.39/278,839,072.69 = 69,334,220.90/x
  3. Step 3: Cross multiply
    185,950,176.39x = 278,839,072.69 × 69,334,220.90
  4. Step 4: Simplify right side
    185,950,176.39x = 19,333,089,861,439,620
  5. Step 5: Solve for x
    x = 19,333,089,861,439,620/185,950,176.39
  6. Step 6: Final answer
    x = 103,969,193.45

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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.