Home / 168,036,683,220.22-231,891,321,501.39-90,874,522,973.25

Finding the Fourth Proportional to 168,036,683,220.22, 231,891,321,501.39 and 90,874,522,973.25

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Solution

The fourth proportional to 168,036,683,220.22, 231,891,321,501.39 and 90,874,522,973.25 is: 125,407,219,538.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,036,683,220.22 : 231,891,321,501.39 = 90,874,522,973.25 : x
  2. Step 2: Convert to fraction form
    168,036,683,220.22/231,891,321,501.39 = 90,874,522,973.25/x
  3. Step 3: Cross multiply
    168,036,683,220.22x = 231,891,321,501.39 × 90,874,522,973.25
  4. Step 4: Simplify right side
    168,036,683,220.22x = 21,073,013,223,075,367,354,368
  5. Step 5: Solve for x
    x = 21,073,013,223,075,367,354,368/168,036,683,220.22
  6. Step 6: Final answer
    x = 125,407,219,538.24

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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.