Home / 193,938,621.60-290,907,932.40-121,237,492.80

Finding the Fourth Proportional to 193,938,621.60, 290,907,932.40 and 121,237,492.80

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Solution

The fourth proportional to 193,938,621.60, 290,907,932.40 and 121,237,492.80 is: 181,856,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,938,621.60 : 290,907,932.40 = 121,237,492.80 : x
  2. Step 2: Convert to fraction form
    193,938,621.60/290,907,932.40 = 121,237,492.80/x
  3. Step 3: Cross multiply
    193,938,621.60x = 290,907,932.40 × 121,237,492.80
  4. Step 4: Simplify right side
    193,938,621.60x = 35,268,948,359,807,884
  5. Step 5: Solve for x
    x = 35,268,948,359,807,884/193,938,621.60
  6. Step 6: Final answer
    x = 181,856,239.20

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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.