Home / 157,283,233.70-217,143,968.78-139,831,375.55

Finding the Fourth Proportional to 157,283,233.70, 217,143,968.78 and 139,831,375.55

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Solution

The fourth proportional to 157,283,233.70, 217,143,968.78 and 139,831,375.55 is: 193,050,073.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,283,233.70 : 217,143,968.78 = 139,831,375.55 : x
  2. Step 2: Convert to fraction form
    157,283,233.70/217,143,968.78 = 139,831,375.55/x
  3. Step 3: Cross multiply
    157,283,233.70x = 217,143,968.78 × 139,831,375.55
  4. Step 4: Simplify right side
    157,283,233.70x = 30,363,539,846,194,500
  5. Step 5: Solve for x
    x = 30,363,539,846,194,500/157,283,233.70
  6. Step 6: Final answer
    x = 193,050,073.63

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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.