Home / 186,638,439.60-279,957,659.40-118,530,010.80

Finding the Fourth Proportional to 186,638,439.60, 279,957,659.40 and 118,530,010.80

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Solution

The fourth proportional to 186,638,439.60, 279,957,659.40 and 118,530,010.80 is: 177,795,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,638,439.60 : 279,957,659.40 = 118,530,010.80 : x
  2. Step 2: Convert to fraction form
    186,638,439.60/279,957,659.40 = 118,530,010.80/x
  3. Step 3: Cross multiply
    186,638,439.60x = 279,957,659.40 × 118,530,010.80
  4. Step 4: Simplify right side
    186,638,439.60x = 33,183,384,392,224,716
  5. Step 5: Solve for x
    x = 33,183,384,392,224,716/186,638,439.60
  6. Step 6: Final answer
    x = 177,795,016.20

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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.