Home / 146,765,157.66-202,536,047.87-80,686,780.16

Finding the Fourth Proportional to 146,765,157.66, 202,536,047.87 and 80,686,780.16

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Solution

The fourth proportional to 146,765,157.66, 202,536,047.87 and 80,686,780.16 is: 111,347,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,765,157.66 : 202,536,047.87 = 80,686,780.16 : x
  2. Step 2: Convert to fraction form
    146,765,157.66/202,536,047.87 = 80,686,780.16/x
  3. Step 3: Cross multiply
    146,765,157.66x = 202,536,047.87 × 80,686,780.16
  4. Step 4: Simplify right side
    146,765,157.66x = 16,341,981,568,961,926
  5. Step 5: Solve for x
    x = 16,341,981,568,961,926/146,765,157.66
  6. Step 6: Final answer
    x = 111,347,828.26

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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.