Home / 247,191,008.20-370,786,512.30-74,649,830.20

Finding the Fourth Proportional to 247,191,008.20, 370,786,512.30 and 74,649,830.20

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Solution

The fourth proportional to 247,191,008.20, 370,786,512.30 and 74,649,830.20 is: 111,974,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,191,008.20 : 370,786,512.30 = 74,649,830.20 : x
  2. Step 2: Convert to fraction form
    247,191,008.20/370,786,512.30 = 74,649,830.20/x
  3. Step 3: Cross multiply
    247,191,008.20x = 370,786,512.30 × 74,649,830.20
  4. Step 4: Simplify right side
    247,191,008.20x = 27,679,150,183,645,212
  5. Step 5: Solve for x
    x = 27,679,150,183,645,212/247,191,008.20
  6. Step 6: Final answer
    x = 111,974,745.30

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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.