Home / 122,485,662.40-183,728,493.60-114,927,390.40

Finding the Fourth Proportional to 122,485,662.40, 183,728,493.60 and 114,927,390.40

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Solution

The fourth proportional to 122,485,662.40, 183,728,493.60 and 114,927,390.40 is: 172,391,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485,662.40 : 183,728,493.60 = 114,927,390.40 : x
  2. Step 2: Convert to fraction form
    122,485,662.40/183,728,493.60 = 114,927,390.40/x
  3. Step 3: Cross multiply
    122,485,662.40x = 183,728,493.60 × 114,927,390.40
  4. Step 4: Simplify right side
    122,485,662.40x = 21,115,436,311,571,100
  5. Step 5: Solve for x
    x = 21,115,436,311,571,100/122,485,662.40
  6. Step 6: Final answer
    x = 172,391,085.60

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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.