Home / 122,485,944.40-183,728,916.60-118,328,894.80

Finding the Fourth Proportional to 122,485,944.40, 183,728,916.60 and 118,328,894.80

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Solution

The fourth proportional to 122,485,944.40, 183,728,916.60 and 118,328,894.80 is: 177,493,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485,944.40 : 183,728,916.60 = 118,328,894.80 : x
  2. Step 2: Convert to fraction form
    122,485,944.40/183,728,916.60 = 118,328,894.80/x
  3. Step 3: Cross multiply
    122,485,944.40x = 183,728,916.60 × 118,328,894.80
  4. Step 4: Simplify right side
    122,485,944.40x = 21,740,439,644,079,372
  5. Step 5: Solve for x
    x = 21,740,439,644,079,372/122,485,944.40
  6. Step 6: Final answer
    x = 177,493,342.20

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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.