Home / 186,039,706.20-279,059,559.30-121,416,480.60

Finding the Fourth Proportional to 186,039,706.20, 279,059,559.30 and 121,416,480.60

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Solution

The fourth proportional to 186,039,706.20, 279,059,559.30 and 121,416,480.60 is: 182,124,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,039,706.20 : 279,059,559.30 = 121,416,480.60 : x
  2. Step 2: Convert to fraction form
    186,039,706.20/279,059,559.30 = 121,416,480.60/x
  3. Step 3: Cross multiply
    186,039,706.20x = 279,059,559.30 × 121,416,480.60
  4. Step 4: Simplify right side
    186,039,706.20x = 33,882,429,567,993,000
  5. Step 5: Solve for x
    x = 33,882,429,567,993,000/186,039,706.20
  6. Step 6: Final answer
    x = 182,124,720.90

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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.