Home / 127,188,311.40-190,782,467.10-36,300,090.60

Finding the Fourth Proportional to 127,188,311.40, 190,782,467.10 and 36,300,090.60

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Solution

The fourth proportional to 127,188,311.40, 190,782,467.10 and 36,300,090.60 is: 54,450,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,188,311.40 : 190,782,467.10 = 36,300,090.60 : x
  2. Step 2: Convert to fraction form
    127,188,311.40/190,782,467.10 = 36,300,090.60/x
  3. Step 3: Cross multiply
    127,188,311.40x = 190,782,467.10 × 36,300,090.60
  4. Step 4: Simplify right side
    127,188,311.40x = 6,925,420,840,621,519
  5. Step 5: Solve for x
    x = 6,925,420,840,621,519/127,188,311.40
  6. Step 6: Final answer
    x = 54,450,135.90

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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.