Home / 290,874,692.03-436,309,162.41-133,262,999.42

Finding the Fourth Proportional to 290,874,692.03, 436,309,162.41 and 133,262,999.42

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Solution

The fourth proportional to 290,874,692.03, 436,309,162.41 and 133,262,999.42 is: 199,893,181.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,874,692.03 : 436,309,162.41 = 133,262,999.42 : x
  2. Step 2: Convert to fraction form
    290,874,692.03/436,309,162.41 = 133,262,999.42/x
  3. Step 3: Cross multiply
    290,874,692.03x = 436,309,162.41 × 133,262,999.42
  4. Step 4: Simplify right side
    290,874,692.03x = 58,143,867,657,184,520
  5. Step 5: Solve for x
    x = 58,143,867,657,184,520/290,874,692.03
  6. Step 6: Final answer
    x = 199,893,181.67

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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.