Home / 86,190,837,411.56-118,946,969,151.17-49,568,981,357.34

Finding the Fourth Proportional to 86,190,837,411.56, 118,946,969,151.17 and 49,568,981,357.34

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Solution

The fourth proportional to 86,190,837,411.56, 118,946,969,151.17 and 49,568,981,357.34 is: 68,407,272,436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,190,837,411.56 : 118,946,969,151.17 = 49,568,981,357.34 : x
  2. Step 2: Convert to fraction form
    86,190,837,411.56/118,946,969,151.17 = 49,568,981,357.34/x
  3. Step 3: Cross multiply
    86,190,837,411.56x = 118,946,969,151.17 × 49,568,981,357.34
  4. Step 4: Simplify right side
    86,190,837,411.56x = 5,896,080,096,366,441,791,488
  5. Step 5: Solve for x
    x = 5,896,080,096,366,441,791,488/86,190,837,411.56
  6. Step 6: Final answer
    x = 68,407,272,436.78

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Double scale
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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.