Home / 168,036,683,195.52-231,891,321,466.80-90,874,522,948.32

Finding the Fourth Proportional to 168,036,683,195.52, 231,891,321,466.80 and 90,874,522,948.32

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Solution

The fourth proportional to 168,036,683,195.52, 231,891,321,466.80 and 90,874,522,948.32 is: 125,407,219,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,036,683,195.52 : 231,891,321,466.80 = 90,874,522,948.32 : x
  2. Step 2: Convert to fraction form
    168,036,683,195.52/231,891,321,466.80 = 90,874,522,948.32/x
  3. Step 3: Cross multiply
    168,036,683,195.52x = 231,891,321,466.80 × 90,874,522,948.32
  4. Step 4: Simplify right side
    168,036,683,195.52x = 21,073,013,214,150,966,378,496
  5. Step 5: Solve for x
    x = 21,073,013,214,150,966,378,496/168,036,683,195.52
  6. Step 6: Final answer
    x = 125,407,219,503.56

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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.