Home / 218,075,629.60-327,113,444.40-131,982,187.60

Finding the Fourth Proportional to 218,075,629.60, 327,113,444.40 and 131,982,187.60

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Solution

The fourth proportional to 218,075,629.60, 327,113,444.40 and 131,982,187.60 is: 197,973,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,075,629.60 : 327,113,444.40 = 131,982,187.60 : x
  2. Step 2: Convert to fraction form
    218,075,629.60/327,113,444.40 = 131,982,187.60/x
  3. Step 3: Cross multiply
    218,075,629.60x = 327,113,444.40 × 131,982,187.60
  4. Step 4: Simplify right side
    218,075,629.60x = 43,173,147,985,282,968
  5. Step 5: Solve for x
    x = 43,173,147,985,282,968/218,075,629.60
  6. Step 6: Final answer
    x = 197,973,281.40

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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.