Home / 203,778,013.62-281,212,461-110,958,299.22

Finding the Fourth Proportional to 203,778,013.62, 281,212,461 and 110,958,299.22

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Solution

The fourth proportional to 203,778,013.62, 281,212,461 and 110,958,299.22 is: 153,121,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,778,013.62 : 281,212,461 = 110,958,299.22 : x
  2. Step 2: Convert to fraction form
    203,778,013.62/281,212,461 = 110,958,299.22/x
  3. Step 3: Cross multiply
    203,778,013.62x = 281,212,461 × 110,958,299.22
  4. Step 4: Simplify right side
    203,778,013.62x = 31,202,856,392,030,580
  5. Step 5: Solve for x
    x = 31,202,856,392,030,580/203,778,013.62
  6. Step 6: Final answer
    x = 153,121,800.72

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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.