Home / 209,952,008.20-314,928,012.30-185,293,145.80

Finding the Fourth Proportional to 209,952,008.20, 314,928,012.30 and 185,293,145.80

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Solution

The fourth proportional to 209,952,008.20, 314,928,012.30 and 185,293,145.80 is: 277,939,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,008.20 : 314,928,012.30 = 185,293,145.80 : x
  2. Step 2: Convert to fraction form
    209,952,008.20/314,928,012.30 = 185,293,145.80/x
  3. Step 3: Cross multiply
    209,952,008.20x = 314,928,012.30 × 185,293,145.80
  4. Step 4: Simplify right side
    209,952,008.20x = 58,354,002,099,608,096
  5. Step 5: Solve for x
    x = 58,354,002,099,608,096/209,952,008.20
  6. Step 6: Final answer
    x = 277,939,718.70

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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.