Home / 202,187,992,080.72-279,028,199,840.88-111,967,445,704.96

Finding the Fourth Proportional to 202,187,992,080.72, 279,028,199,840.88 and 111,967,445,704.96

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Solution

The fourth proportional to 202,187,992,080.72, 279,028,199,840.88 and 111,967,445,704.96 is: 154,519,932,140.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187,992,080.72 : 279,028,199,840.88 = 111,967,445,704.96 : x
  2. Step 2: Convert to fraction form
    202,187,992,080.72/279,028,199,840.88 = 111,967,445,704.96/x
  3. Step 3: Cross multiply
    202,187,992,080.72x = 279,028,199,840.88 × 111,967,445,704.96
  4. Step 4: Simplify right side
    202,187,992,080.72x = 31,242,074,815,836,461,203,456
  5. Step 5: Solve for x
    x = 31,242,074,815,836,461,203,456/202,187,992,080.72
  6. Step 6: Final answer
    x = 154,519,932,140.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.