Home / 60,130,052.21-90,195,378.60-21,268,540.03

Finding the Fourth Proportional to 60,130,052.21, 90,195,378.60 and 21,268,540.03

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Solution

The fourth proportional to 60,130,052.21, 90,195,378.60 and 21,268,540.03 is: 31,902,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,130,052.21 : 90,195,378.60 = 21,268,540.03 : x
  2. Step 2: Convert to fraction form
    60,130,052.21/90,195,378.60 = 21,268,540.03/x
  3. Step 3: Cross multiply
    60,130,052.21x = 90,195,378.60 × 21,268,540.03
  4. Step 4: Simplify right side
    60,130,052.21x = 1,918,324,020,298,490.50
  5. Step 5: Solve for x
    x = 1,918,324,020,298,490.50/60,130,052.21
  6. Step 6: Final answer
    x = 31,902,916.26

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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.