Home / 293,512,010.20-440,268,015.30-120,931,466.20

Finding the Fourth Proportional to 293,512,010.20, 440,268,015.30 and 120,931,466.20

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Solution

The fourth proportional to 293,512,010.20, 440,268,015.30 and 120,931,466.20 is: 181,397,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,512,010.20 : 440,268,015.30 = 120,931,466.20 : x
  2. Step 2: Convert to fraction form
    293,512,010.20/440,268,015.30 = 120,931,466.20/x
  3. Step 3: Cross multiply
    293,512,010.20x = 440,268,015.30 × 120,931,466.20
  4. Step 4: Simplify right side
    293,512,010.20x = 53,242,256,611,193,032
  5. Step 5: Solve for x
    x = 53,242,256,611,193,032/293,512,010.20
  6. Step 6: Final answer
    x = 181,397,199.30

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1.5x scale

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.