Home / 124,376,676.32-171,640,409.64-68,622,093.74

Finding the Fourth Proportional to 124,376,676.32, 171,640,409.64 and 68,622,093.74

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Solution

The fourth proportional to 124,376,676.32, 171,640,409.64 and 68,622,093.74 is: 94,698,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,376,676.32 : 171,640,409.64 = 68,622,093.74 : x
  2. Step 2: Convert to fraction form
    124,376,676.32/171,640,409.64 = 68,622,093.74/x
  3. Step 3: Cross multiply
    124,376,676.32x = 171,640,409.64 × 68,622,093.74
  4. Step 4: Simplify right side
    124,376,676.32x = 11,778,324,279,888,078
  5. Step 5: Solve for x
    x = 11,778,324,279,888,078/124,376,676.32
  6. Step 6: Final answer
    x = 94,698,818.37

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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.