Home / 122,480,333.40-183,720,500.10-81,665,664.60

Finding the Fourth Proportional to 122,480,333.40, 183,720,500.10 and 81,665,664.60

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Solution

The fourth proportional to 122,480,333.40, 183,720,500.10 and 81,665,664.60 is: 122,498,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,480,333.40 : 183,720,500.10 = 81,665,664.60 : x
  2. Step 2: Convert to fraction form
    122,480,333.40/183,720,500.10 = 81,665,664.60/x
  3. Step 3: Cross multiply
    122,480,333.40x = 183,720,500.10 × 81,665,664.60
  4. Step 4: Simplify right side
    122,480,333.40x = 15,003,656,741,310,864
  5. Step 5: Solve for x
    x = 15,003,656,741,310,864/122,480,333.40
  6. Step 6: Final answer
    x = 122,498,496.90

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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.