Home / 193,938,575.60-290,907,863.40-121,237,446.80

Finding the Fourth Proportional to 193,938,575.60, 290,907,863.40 and 121,237,446.80

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Solution

The fourth proportional to 193,938,575.60, 290,907,863.40 and 121,237,446.80 is: 181,856,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,938,575.60 : 290,907,863.40 = 121,237,446.80 : x
  2. Step 2: Convert to fraction form
    193,938,575.60/290,907,863.40 = 121,237,446.80/x
  3. Step 3: Cross multiply
    193,938,575.60x = 290,907,863.40 × 121,237,446.80
  4. Step 4: Simplify right side
    193,938,575.60x = 35,268,926,612,659,164
  5. Step 5: Solve for x
    x = 35,268,926,612,659,164/193,938,575.60
  6. Step 6: Final answer
    x = 181,856,170.20

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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.