Home / 202,187,992,002.81-279,028,199,733.29-111,967,445,626.93

Finding the Fourth Proportional to 202,187,992,002.81, 279,028,199,733.29 and 111,967,445,626.93

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Solution

The fourth proportional to 202,187,992,002.81, 279,028,199,733.29 and 111,967,445,626.93 is: 154,519,932,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187,992,002.81 : 279,028,199,733.29 = 111,967,445,626.93 : x
  2. Step 2: Convert to fraction form
    202,187,992,002.81/279,028,199,733.29 = 111,967,445,626.93/x
  3. Step 3: Cross multiply
    202,187,992,002.81x = 279,028,199,733.29 × 111,967,445,626.93
  4. Step 4: Simplify right side
    202,187,992,002.81x = 31,242,074,782,017,305,706,496
  5. Step 5: Solve for x
    x = 31,242,074,782,017,305,706,496/202,187,992,002.81
  6. Step 6: Final answer
    x = 154,519,932,032.28

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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.