Home / 231,801,692.20-347,702,538.30-139,968,687.40

Finding the Fourth Proportional to 231,801,692.20, 347,702,538.30 and 139,968,687.40

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Solution

The fourth proportional to 231,801,692.20, 347,702,538.30 and 139,968,687.40 is: 209,953,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,801,692.20 : 347,702,538.30 = 139,968,687.40 : x
  2. Step 2: Convert to fraction form
    231,801,692.20/347,702,538.30 = 139,968,687.40/x
  3. Step 3: Cross multiply
    231,801,692.20x = 347,702,538.30 × 139,968,687.40
  4. Step 4: Simplify right side
    231,801,692.20x = 48,667,467,891,499,232
  5. Step 5: Solve for x
    x = 48,667,467,891,499,232/231,801,692.20
  6. Step 6: Final answer
    x = 209,953,031.10

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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.