Home / 102,504,905,736.04-153,701,307,062.97-81,392,970,998.38

Finding the Fourth Proportional to 102,504,905,736.04, 153,701,307,062.97 and 81,392,970,998.38

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Solution

The fourth proportional to 102,504,905,736.04, 153,701,307,062.97 and 81,392,970,998.38 is: 122,044,949,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,504,905,736.04 : 153,701,307,062.97 = 81,392,970,998.38 : x
  2. Step 2: Convert to fraction form
    102,504,905,736.04/153,701,307,062.97 = 81,392,970,998.38/x
  3. Step 3: Cross multiply
    102,504,905,736.04x = 153,701,307,062.97 × 81,392,970,998.38
  4. Step 4: Simplify right side
    102,504,905,736.04x = 12,510,206,028,189,416,816,640
  5. Step 5: Solve for x
    x = 12,510,206,028,189,416,816,640/102,504,905,736.04
  6. Step 6: Final answer
    x = 122,044,949,345.20

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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.