Home / 193,164,939.40-289,747,409.10-116,448,478.60

Finding the Fourth Proportional to 193,164,939.40, 289,747,409.10 and 116,448,478.60

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Solution

The fourth proportional to 193,164,939.40, 289,747,409.10 and 116,448,478.60 is: 174,672,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,164,939.40 : 289,747,409.10 = 116,448,478.60 : x
  2. Step 2: Convert to fraction form
    193,164,939.40/289,747,409.10 = 116,448,478.60/x
  3. Step 3: Cross multiply
    193,164,939.40x = 289,747,409.10 × 116,448,478.60
  4. Step 4: Simplify right side
    193,164,939.40x = 33,740,644,967,986,796
  5. Step 5: Solve for x
    x = 33,740,644,967,986,796/193,164,939.40
  6. Step 6: Final answer
    x = 174,672,717.90

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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.