Home / 186,028,900.20-279,043,350.30-145,673,879.40

Finding the Fourth Proportional to 186,028,900.20, 279,043,350.30 and 145,673,879.40

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Solution

The fourth proportional to 186,028,900.20, 279,043,350.30 and 145,673,879.40 is: 218,510,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,028,900.20 : 279,043,350.30 = 145,673,879.40 : x
  2. Step 2: Convert to fraction form
    186,028,900.20/279,043,350.30 = 145,673,879.40/x
  3. Step 3: Cross multiply
    186,028,900.20x = 279,043,350.30 × 145,673,879.40
  4. Step 4: Simplify right side
    186,028,900.20x = 40,649,327,358,974,160
  5. Step 5: Solve for x
    x = 40,649,327,358,974,160/186,028,900.20
  6. Step 6: Final answer
    x = 218,510,819.10

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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.