Home / 186,624,021.40-279,936,032.10-169,603,912.60

Finding the Fourth Proportional to 186,624,021.40, 279,936,032.10 and 169,603,912.60

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Solution

The fourth proportional to 186,624,021.40, 279,936,032.10 and 169,603,912.60 is: 254,405,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,021.40 : 279,936,032.10 = 169,603,912.60 : x
  2. Step 2: Convert to fraction form
    186,624,021.40/279,936,032.10 = 169,603,912.60/x
  3. Step 3: Cross multiply
    186,624,021.40x = 279,936,032.10 × 169,603,912.60
  4. Step 4: Simplify right side
    186,624,021.40x = 47,478,246,321,879,200
  5. Step 5: Solve for x
    x = 47,478,246,321,879,200/186,624,021.40
  6. Step 6: Final answer
    x = 254,405,868.90

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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.