Home / 281,101,442.40-421,652,163.60-166,026,751.20

Finding the Fourth Proportional to 281,101,442.40, 421,652,163.60 and 166,026,751.20

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Solution

The fourth proportional to 281,101,442.40, 421,652,163.60 and 166,026,751.20 is: 249,040,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,101,442.40 : 421,652,163.60 = 166,026,751.20 : x
  2. Step 2: Convert to fraction form
    281,101,442.40/421,652,163.60 = 166,026,751.20/x
  3. Step 3: Cross multiply
    281,101,442.40x = 421,652,163.60 × 166,026,751.20
  4. Step 4: Simplify right side
    281,101,442.40x = 70,005,538,858,958,896
  5. Step 5: Solve for x
    x = 70,005,538,858,958,896/281,101,442.40
  6. Step 6: Final answer
    x = 249,040,126.80

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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.