Home / 199,192,203.80-298,788,305.70-118,371,570.20

Finding the Fourth Proportional to 199,192,203.80, 298,788,305.70 and 118,371,570.20

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Solution

The fourth proportional to 199,192,203.80, 298,788,305.70 and 118,371,570.20 is: 177,557,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,192,203.80 : 298,788,305.70 = 118,371,570.20 : x
  2. Step 2: Convert to fraction form
    199,192,203.80/298,788,305.70 = 118,371,570.20/x
  3. Step 3: Cross multiply
    199,192,203.80x = 298,788,305.70 × 118,371,570.20
  4. Step 4: Simplify right side
    199,192,203.80x = 35,368,040,903,106,608
  5. Step 5: Solve for x
    x = 35,368,040,903,106,608/199,192,203.80
  6. Step 6: Final answer
    x = 177,557,355.30

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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.