Home / 122,207,865.36-168,650,050.49-66,456,546.45

Finding the Fourth Proportional to 122,207,865.36, 168,650,050.49 and 66,456,546.45

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Solution

The fourth proportional to 122,207,865.36, 168,650,050.49 and 66,456,546.45 is: 91,711,772.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,207,865.36 : 168,650,050.49 = 66,456,546.45 : x
  2. Step 2: Convert to fraction form
    122,207,865.36/168,650,050.49 = 66,456,546.45/x
  3. Step 3: Cross multiply
    122,207,865.36x = 168,650,050.49 × 66,456,546.45
  4. Step 4: Simplify right side
    122,207,865.36x = 11,207,899,914,100,460
  5. Step 5: Solve for x
    x = 11,207,899,914,100,460/122,207,865.36
  6. Step 6: Final answer
    x = 91,711,772.24

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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.