Home / 122,148,003.80-183,222,005.70-108,755,690.60

Finding the Fourth Proportional to 122,148,003.80, 183,222,005.70 and 108,755,690.60

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Solution

The fourth proportional to 122,148,003.80, 183,222,005.70 and 108,755,690.60 is: 163,133,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,148,003.80 : 183,222,005.70 = 108,755,690.60 : x
  2. Step 2: Convert to fraction form
    122,148,003.80/183,222,005.70 = 108,755,690.60/x
  3. Step 3: Cross multiply
    122,148,003.80x = 183,222,005.70 × 108,755,690.60
  4. Step 4: Simplify right side
    122,148,003.80x = 19,926,435,763,020,636
  5. Step 5: Solve for x
    x = 19,926,435,763,020,636/122,148,003.80
  6. Step 6: Final answer
    x = 163,133,535.90

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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.