Home / 211,978,034.10-317,967,051.15-196,672,533.30

Finding the Fourth Proportional to 211,978,034.10, 317,967,051.15 and 196,672,533.30

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Solution

The fourth proportional to 211,978,034.10, 317,967,051.15 and 196,672,533.30 is: 295,008,799.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,978,034.10 : 317,967,051.15 = 196,672,533.30 : x
  2. Step 2: Convert to fraction form
    211,978,034.10/317,967,051.15 = 196,672,533.30/x
  3. Step 3: Cross multiply
    211,978,034.10x = 317,967,051.15 × 196,672,533.30
  4. Step 4: Simplify right side
    211,978,034.10x = 62,535,385,455,601,176
  5. Step 5: Solve for x
    x = 62,535,385,455,601,176/211,978,034.10
  6. Step 6: Final answer
    x = 295,008,799.95

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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.