Home / 204,237,657.33-281,809,419.92-121,739,118.45

Finding the Fourth Proportional to 204,237,657.33, 281,809,419.92 and 121,739,118.45

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Solution

The fourth proportional to 204,237,657.33, 281,809,419.92 and 121,739,118.45 is: 167,977,006.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,237,657.33 : 281,809,419.92 = 121,739,118.45 : x
  2. Step 2: Convert to fraction form
    204,237,657.33/281,809,419.92 = 121,739,118.45/x
  3. Step 3: Cross multiply
    204,237,657.33x = 281,809,419.92 × 121,739,118.45
  4. Step 4: Simplify right side
    204,237,657.33x = 34,307,230,351,966,672
  5. Step 5: Solve for x
    x = 34,307,230,351,966,672/204,237,657.33
  6. Step 6: Final answer
    x = 167,977,006.79

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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.