Home / 299,383,819.60-449,075,729.40-138,140,683.60

Finding the Fourth Proportional to 299,383,819.60, 449,075,729.40 and 138,140,683.60

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Solution

The fourth proportional to 299,383,819.60, 449,075,729.40 and 138,140,683.60 is: 207,211,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,383,819.60 : 449,075,729.40 = 138,140,683.60 : x
  2. Step 2: Convert to fraction form
    299,383,819.60/449,075,729.40 = 138,140,683.60/x
  3. Step 3: Cross multiply
    299,383,819.60x = 449,075,729.40 × 138,140,683.60
  4. Step 4: Simplify right side
    299,383,819.60x = 62,035,628,247,484,608
  5. Step 5: Solve for x
    x = 62,035,628,247,484,608/299,383,819.60
  6. Step 6: Final answer
    x = 207,211,025.40

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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.