Home / 122,868,641.73-169,557,579.32-67,114,040.81

Finding the Fourth Proportional to 122,868,641.73, 169,557,579.32 and 67,114,040.81

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Solution

The fourth proportional to 122,868,641.73, 169,557,579.32 and 67,114,040.81 is: 92,616,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,868,641.73 : 169,557,579.32 = 67,114,040.81 : x
  2. Step 2: Convert to fraction form
    122,868,641.73/169,557,579.32 = 67,114,040.81/x
  3. Step 3: Cross multiply
    122,868,641.73x = 169,557,579.32 × 67,114,040.81
  4. Step 4: Simplify right side
    122,868,641.73x = 11,379,694,296,943,936
  5. Step 5: Solve for x
    x = 11,379,694,296,943,936/122,868,641.73
  6. Step 6: Final answer
    x = 92,616,750.19

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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.