Home / 147,191,200.34-203,125,199.78-81,114,069.44

Finding the Fourth Proportional to 147,191,200.34, 203,125,199.78 and 81,114,069.44

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Solution

The fourth proportional to 147,191,200.34, 203,125,199.78 and 81,114,069.44 is: 111,938,156.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,191,200.34 : 203,125,199.78 = 81,114,069.44 : x
  2. Step 2: Convert to fraction form
    147,191,200.34/203,125,199.78 = 81,114,069.44/x
  3. Step 3: Cross multiply
    147,191,200.34x = 203,125,199.78 × 81,114,069.44
  4. Step 4: Simplify right side
    147,191,200.34x = 16,476,311,558,851,774
  5. Step 5: Solve for x
    x = 16,476,311,558,851,774/147,191,200.34
  6. Step 6: Final answer
    x = 111,938,156.09

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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.