Home / 102,142,021.80-153,201,714.96-36,560,540.28

Finding the Fourth Proportional to 102,142,021.80, 153,201,714.96 and 36,560,540.28

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Solution

The fourth proportional to 102,142,021.80, 153,201,714.96 and 36,560,540.28 is: 54,836,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,142,021.80 : 153,201,714.96 = 36,560,540.28 : x
  2. Step 2: Convert to fraction form
    102,142,021.80/153,201,714.96 = 36,560,540.28/x
  3. Step 3: Cross multiply
    102,142,021.80x = 153,201,714.96 × 36,560,540.28
  4. Step 4: Simplify right side
    102,142,021.80x = 5,601,137,470,760,159
  5. Step 5: Solve for x
    x = 5,601,137,470,760,159/102,142,021.80
  6. Step 6: Final answer
    x = 54,836,759.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.