Home / 213,094,817.32-291,935,014.58-205,127,782.44

Finding the Fourth Proportional to 213,094,817.32, 291,935,014.58 and 205,127,782.44

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Solution

The fourth proportional to 213,094,817.32, 291,935,014.58 and 205,127,782.44 is: 281,020,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,094,817.32 : 291,935,014.58 = 205,127,782.44 : x
  2. Step 2: Convert to fraction form
    213,094,817.32/291,935,014.58 = 205,127,782.44/x
  3. Step 3: Cross multiply
    213,094,817.32x = 291,935,014.58 × 205,127,782.44
  4. Step 4: Simplify right side
    213,094,817.32x = 59,883,982,157,384,464
  5. Step 5: Solve for x
    x = 59,883,982,157,384,464/213,094,817.32
  6. Step 6: Final answer
    x = 281,020,359.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.