Home / 218,075,622.60-327,113,433.90-131,982,180.60

Finding the Fourth Proportional to 218,075,622.60, 327,113,433.90 and 131,982,180.60

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Solution

The fourth proportional to 218,075,622.60, 327,113,433.90 and 131,982,180.60 is: 197,973,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,075,622.60 : 327,113,433.90 = 131,982,180.60 : x
  2. Step 2: Convert to fraction form
    218,075,622.60/327,113,433.90 = 131,982,180.60/x
  3. Step 3: Cross multiply
    218,075,622.60x = 327,113,433.90 × 131,982,180.60
  4. Step 4: Simplify right side
    218,075,622.60x = 43,173,144,309,675,960
  5. Step 5: Solve for x
    x = 43,173,144,309,675,960/218,075,622.60
  6. Step 6: Final answer
    x = 197,973,270.90

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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.