Home / 352,271,060.12-486,145,182.30-211,095,749.72

Finding the Fourth Proportional to 352,271,060.12, 486,145,182.30 and 211,095,749.72

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Solution

The fourth proportional to 352,271,060.12, 486,145,182.30 and 211,095,749.72 is: 291,318,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,271,060.12 : 486,145,182.30 = 211,095,749.72 : x
  2. Step 2: Convert to fraction form
    352,271,060.12/486,145,182.30 = 211,095,749.72/x
  3. Step 3: Cross multiply
    352,271,060.12x = 486,145,182.30 × 211,095,749.72
  4. Step 4: Simplify right side
    352,271,060.12x = 102,623,181,730,384,576
  5. Step 5: Solve for x
    x = 102,623,181,730,384,576/352,271,060.12
  6. Step 6: Final answer
    x = 291,318,797.79

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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.