Home / 275,298,328.20-412,947,492.30-158,912,749.20

Finding the Fourth Proportional to 275,298,328.20, 412,947,492.30 and 158,912,749.20

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Solution

The fourth proportional to 275,298,328.20, 412,947,492.30 and 158,912,749.20 is: 238,369,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,298,328.20 : 412,947,492.30 = 158,912,749.20 : x
  2. Step 2: Convert to fraction form
    275,298,328.20/412,947,492.30 = 158,912,749.20/x
  3. Step 3: Cross multiply
    275,298,328.20x = 412,947,492.30 × 158,912,749.20
  4. Step 4: Simplify right side
    275,298,328.20x = 65,622,621,276,638,832
  5. Step 5: Solve for x
    x = 65,622,621,276,638,832/275,298,328.20
  6. Step 6: Final answer
    x = 238,369,123.80

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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.