Home / 207,061,029,792.78-285,741,427,293.27-115,610,989,250.58

Finding the Fourth Proportional to 207,061,029,792.78, 285,741,427,293.27 and 115,610,989,250.58

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Solution

The fourth proportional to 207,061,029,792.78, 285,741,427,293.27 and 115,610,989,250.58 is: 159,541,605,256.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,061,029,792.78 : 285,741,427,293.27 = 115,610,989,250.58 : x
  2. Step 2: Convert to fraction form
    207,061,029,792.78/285,741,427,293.27 = 115,610,989,250.58/x
  3. Step 3: Cross multiply
    207,061,029,792.78x = 285,741,427,293.27 × 115,610,989,250.58
  4. Step 4: Simplify right side
    207,061,029,792.78x = 33,034,849,079,247,629,189,120
  5. Step 5: Solve for x
    x = 33,034,849,079,247,629,189,120/207,061,029,792.78
  6. Step 6: Final answer
    x = 159,541,605,256.71

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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.