Home / 111,455,986.60-167,183,979.90-99,551,708.20

Finding the Fourth Proportional to 111,455,986.60, 167,183,979.90 and 99,551,708.20

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Solution

The fourth proportional to 111,455,986.60, 167,183,979.90 and 99,551,708.20 is: 149,327,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,455,986.60 : 167,183,979.90 = 99,551,708.20 : x
  2. Step 2: Convert to fraction form
    111,455,986.60/167,183,979.90 = 99,551,708.20/x
  3. Step 3: Cross multiply
    111,455,986.60x = 167,183,979.90 × 99,551,708.20
  4. Step 4: Simplify right side
    111,455,986.60x = 16,643,450,782,719,466
  5. Step 5: Solve for x
    x = 16,643,450,782,719,466/111,455,986.60
  6. Step 6: Final answer
    x = 149,327,562.30

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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.