Home / 190,969,778.88-285,883,692.48-116,960,511.96

Finding the Fourth Proportional to 190,969,778.88, 285,883,692.48 and 116,960,511.96

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Solution

The fourth proportional to 190,969,778.88, 285,883,692.48 and 116,960,511.96 is: 175,091,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,969,778.88 : 285,883,692.48 = 116,960,511.96 : x
  2. Step 2: Convert to fraction form
    190,969,778.88/285,883,692.48 = 116,960,511.96/x
  3. Step 3: Cross multiply
    190,969,778.88x = 285,883,692.48 × 116,960,511.96
  4. Step 4: Simplify right side
    190,969,778.88x = 33,437,103,033,476,004
  5. Step 5: Solve for x
    x = 33,437,103,033,476,004/190,969,778.88
  6. Step 6: Final answer
    x = 175,091,070.58

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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.