Home / 85,078,443,368.43-127,503,591,115.37-66,214,509,735.15

Finding the Fourth Proportional to 85,078,443,368.43, 127,503,591,115.37 and 66,214,509,735.15

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Solution

The fourth proportional to 85,078,443,368.43, 127,503,591,115.37 and 66,214,509,735.15 is: 99,232,983,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,078,443,368.43 : 127,503,591,115.37 = 66,214,509,735.15 : x
  2. Step 2: Convert to fraction form
    85,078,443,368.43/127,503,591,115.37 = 66,214,509,735.15/x
  3. Step 3: Cross multiply
    85,078,443,368.43x = 127,503,591,115.37 × 66,214,509,735.15
  4. Step 4: Simplify right side
    85,078,443,368.43x = 8,442,587,775,175,251,460,096
  5. Step 5: Solve for x
    x = 8,442,587,775,175,251,460,096/85,078,443,368.43
  6. Step 6: Final answer
    x = 99,232,983,596.27

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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.