Home / 185,950,173.98-278,839,069.10-69,334,218.50

Finding the Fourth Proportional to 185,950,173.98, 278,839,069.10 and 69,334,218.50

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Solution

The fourth proportional to 185,950,173.98, 278,839,069.10 and 69,334,218.50 is: 103,969,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,950,173.98 : 278,839,069.10 = 69,334,218.50 : x
  2. Step 2: Convert to fraction form
    185,950,173.98/278,839,069.10 = 69,334,218.50/x
  3. Step 3: Cross multiply
    185,950,173.98x = 278,839,069.10 × 69,334,218.50
  4. Step 4: Simplify right side
    185,950,173.98x = 19,333,088,942,969,328
  5. Step 5: Solve for x
    x = 19,333,088,942,969,328/185,950,173.98
  6. Step 6: Final answer
    x = 103,969,189.86

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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.