Home / 193,139,968.40-289,709,952.60-171,640,883.60

Finding the Fourth Proportional to 193,139,968.40, 289,709,952.60 and 171,640,883.60

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Solution

The fourth proportional to 193,139,968.40, 289,709,952.60 and 171,640,883.60 is: 257,461,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,139,968.40 : 289,709,952.60 = 171,640,883.60 : x
  2. Step 2: Convert to fraction form
    193,139,968.40/289,709,952.60 = 171,640,883.60/x
  3. Step 3: Cross multiply
    193,139,968.40x = 289,709,952.60 × 171,640,883.60
  4. Step 4: Simplify right side
    193,139,968.40x = 49,726,072,251,978,120
  5. Step 5: Solve for x
    x = 49,726,072,251,978,120/193,139,968.40
  6. Step 6: Final answer
    x = 257,461,325.40

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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.