Home / 258,804,844.60-388,207,266.90-122,755,948.60

Finding the Fourth Proportional to 258,804,844.60, 388,207,266.90 and 122,755,948.60

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Solution

The fourth proportional to 258,804,844.60, 388,207,266.90 and 122,755,948.60 is: 184,133,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,804,844.60 : 388,207,266.90 = 122,755,948.60 : x
  2. Step 2: Convert to fraction form
    258,804,844.60/388,207,266.90 = 122,755,948.60/x
  3. Step 3: Cross multiply
    258,804,844.60x = 388,207,266.90 × 122,755,948.60
  4. Step 4: Simplify right side
    258,804,844.60x = 47,654,751,301,722,880
  5. Step 5: Solve for x
    x = 47,654,751,301,722,880/258,804,844.60
  6. Step 6: Final answer
    x = 184,133,922.90

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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.