Home / 204,237,656.33-281,809,418.54-121,739,117.45

Finding the Fourth Proportional to 204,237,656.33, 281,809,418.54 and 121,739,117.45

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Solution

The fourth proportional to 204,237,656.33, 281,809,418.54 and 121,739,117.45 is: 167,977,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,237,656.33 : 281,809,418.54 = 121,739,117.45 : x
  2. Step 2: Convert to fraction form
    204,237,656.33/281,809,418.54 = 121,739,117.45/x
  3. Step 3: Cross multiply
    204,237,656.33x = 281,809,418.54 × 121,739,117.45
  4. Step 4: Simplify right side
    204,237,656.33x = 34,307,229,902,410,288
  5. Step 5: Solve for x
    x = 34,307,229,902,410,288/204,237,656.33
  6. Step 6: Final answer
    x = 167,977,005.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.