Home / 118,341,605.70-177,512,408.55-77,526,936.90

Finding the Fourth Proportional to 118,341,605.70, 177,512,408.55 and 77,526,936.90

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Solution

The fourth proportional to 118,341,605.70, 177,512,408.55 and 77,526,936.90 is: 116,290,405.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,341,605.70 : 177,512,408.55 = 77,526,936.90 : x
  2. Step 2: Convert to fraction form
    118,341,605.70/177,512,408.55 = 77,526,936.90/x
  3. Step 3: Cross multiply
    118,341,605.70x = 177,512,408.55 × 77,526,936.90
  4. Step 4: Simplify right side
    118,341,605.70x = 13,761,993,296,622,872
  5. Step 5: Solve for x
    x = 13,761,993,296,622,872/118,341,605.70
  6. Step 6: Final answer
    x = 116,290,405.35

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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.