Home / 218,075,657.60-327,113,486.40-131,982,215.60

Finding the Fourth Proportional to 218,075,657.60, 327,113,486.40 and 131,982,215.60

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Solution

The fourth proportional to 218,075,657.60, 327,113,486.40 and 131,982,215.60 is: 197,973,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,075,657.60 : 327,113,486.40 = 131,982,215.60 : x
  2. Step 2: Convert to fraction form
    218,075,657.60/327,113,486.40 = 131,982,215.60/x
  3. Step 3: Cross multiply
    218,075,657.60x = 327,113,486.40 × 131,982,215.60
  4. Step 4: Simplify right side
    218,075,657.60x = 43,173,162,687,712,464
  5. Step 5: Solve for x
    x = 43,173,162,687,712,464/218,075,657.60
  6. Step 6: Final answer
    x = 197,973,323.40

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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.