Home / 168,036,683,192.51-231,891,321,462.66-90,874,522,945.31

Finding the Fourth Proportional to 168,036,683,192.51, 231,891,321,462.66 and 90,874,522,945.31

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Solution

The fourth proportional to 168,036,683,192.51, 231,891,321,462.66 and 90,874,522,945.31 is: 125,407,219,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,036,683,192.51 : 231,891,321,462.66 = 90,874,522,945.31 : x
  2. Step 2: Convert to fraction form
    168,036,683,192.51/231,891,321,462.66 = 90,874,522,945.31/x
  3. Step 3: Cross multiply
    168,036,683,192.51x = 231,891,321,462.66 × 90,874,522,945.31
  4. Step 4: Simplify right side
    168,036,683,192.51x = 21,073,013,213,075,592,970,240
  5. Step 5: Solve for x
    x = 21,073,013,213,075,592,970,240/168,036,683,192.51
  6. Step 6: Final answer
    x = 125,407,219,499.41

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Double scale
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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.