Home / 57,114,223.14-85,705,375.36-20,725,452.74

Finding the Fourth Proportional to 57,114,223.14, 85,705,375.36 and 20,725,452.74

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Solution

The fourth proportional to 57,114,223.14, 85,705,375.36 and 20,725,452.74 is: 31,100,531.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,114,223.14 : 85,705,375.36 = 20,725,452.74 : x
  2. Step 2: Convert to fraction form
    57,114,223.14/85,705,375.36 = 20,725,452.74/x
  3. Step 3: Cross multiply
    57,114,223.14x = 85,705,375.36 × 20,725,452.74
  4. Step 4: Simplify right side
    57,114,223.14x = 1,776,282,706,587,640.25
  5. Step 5: Solve for x
    x = 1,776,282,706,587,640.25/57,114,223.14
  6. Step 6: Final answer
    x = 31,100,531.69

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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.