Home / 147,622,627.20-221,433,940.80-143,843,491.20

Finding the Fourth Proportional to 147,622,627.20, 221,433,940.80 and 143,843,491.20

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Solution

The fourth proportional to 147,622,627.20, 221,433,940.80 and 143,843,491.20 is: 215,765,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,627.20 : 221,433,940.80 = 143,843,491.20 : x
  2. Step 2: Convert to fraction form
    147,622,627.20/221,433,940.80 = 143,843,491.20/x
  3. Step 3: Cross multiply
    147,622,627.20x = 221,433,940.80 × 143,843,491.20
  4. Step 4: Simplify right side
    147,622,627.20x = 31,851,831,114,846,120
  5. Step 5: Solve for x
    x = 31,851,831,114,846,120/147,622,627.20
  6. Step 6: Final answer
    x = 215,765,236.80

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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.