Home / 123,776,138.40-185,664,207.60-110,862,122.10

Finding the Fourth Proportional to 123,776,138.40, 185,664,207.60 and 110,862,122.10

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Solution

The fourth proportional to 123,776,138.40, 185,664,207.60 and 110,862,122.10 is: 166,293,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,776,138.40 : 185,664,207.60 = 110,862,122.10 : x
  2. Step 2: Convert to fraction form
    123,776,138.40/185,664,207.60 = 110,862,122.10/x
  3. Step 3: Cross multiply
    123,776,138.40x = 185,664,207.60 × 110,862,122.10
  4. Step 4: Simplify right side
    123,776,138.40x = 20,583,128,052,550,948
  5. Step 5: Solve for x
    x = 20,583,128,052,550,948/123,776,138.40
  6. Step 6: Final answer
    x = 166,293,183.15

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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.