Home / 281,232,000.30-421,848,000.45-252,605,045.10

Finding the Fourth Proportional to 281,232,000.30, 421,848,000.45 and 252,605,045.10

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Solution

The fourth proportional to 281,232,000.30, 421,848,000.45 and 252,605,045.10 is: 378,907,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,232,000.30 : 421,848,000.45 = 252,605,045.10 : x
  2. Step 2: Convert to fraction form
    281,232,000.30/421,848,000.45 = 252,605,045.10/x
  3. Step 3: Cross multiply
    281,232,000.30x = 421,848,000.45 × 252,605,045.10
  4. Step 4: Simplify right side
    281,232,000.30x = 106,560,933,179,017,072
  5. Step 5: Solve for x
    x = 106,560,933,179,017,072/281,232,000.30
  6. Step 6: Final answer
    x = 378,907,567.65

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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.