Home / 124,376,675.82-171,640,408.95-68,622,093.24

Finding the Fourth Proportional to 124,376,675.82, 171,640,408.95 and 68,622,093.24

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Solution

The fourth proportional to 124,376,675.82, 171,640,408.95 and 68,622,093.24 is: 94,698,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,376,675.82 : 171,640,408.95 = 68,622,093.24 : x
  2. Step 2: Convert to fraction form
    124,376,675.82/171,640,408.95 = 68,622,093.24/x
  3. Step 3: Cross multiply
    124,376,675.82x = 171,640,408.95 × 68,622,093.24
  4. Step 4: Simplify right side
    124,376,675.82x = 11,778,324,146,718,628
  5. Step 5: Solve for x
    x = 11,778,324,146,718,628/124,376,675.82
  6. Step 6: Final answer
    x = 94,698,817.68

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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.