Home / 107,659,687.60-161,297,075.40-65,517,655.60

Finding the Fourth Proportional to 107,659,687.60, 161,297,075.40 and 65,517,655.60

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Solution

The fourth proportional to 107,659,687.60, 161,297,075.40 and 65,517,655.60 is: 98,159,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,659,687.60 : 161,297,075.40 = 65,517,655.60 : x
  2. Step 2: Convert to fraction form
    107,659,687.60/161,297,075.40 = 65,517,655.60/x
  3. Step 3: Cross multiply
    107,659,687.60x = 161,297,075.40 × 65,517,655.60
  4. Step 4: Simplify right side
    107,659,687.60x = 10,567,806,235,344,432
  5. Step 5: Solve for x
    x = 10,567,806,235,344,432/107,659,687.60
  6. Step 6: Final answer
    x = 98,159,361.88

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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.