Home / 211,575,780.63-317,218,787.06-107,743,997.16

Finding the Fourth Proportional to 211,575,780.63, 317,218,787.06 and 107,743,997.16

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Solution

The fourth proportional to 211,575,780.63, 317,218,787.06 and 107,743,997.16 is: 161,542,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,575,780.63 : 317,218,787.06 = 107,743,997.16 : x
  2. Step 2: Convert to fraction form
    211,575,780.63/317,218,787.06 = 107,743,997.16/x
  3. Step 3: Cross multiply
    211,575,780.63x = 317,218,787.06 × 107,743,997.16
  4. Step 4: Simplify right side
    211,575,780.63x = 34,178,420,091,552,564
  5. Step 5: Solve for x
    x = 34,178,420,091,552,564/211,575,780.63
  6. Step 6: Final answer
    x = 161,542,214.28

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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.