Home / 186,640,220.80-279,960,331.20-148,093,033.60

Finding the Fourth Proportional to 186,640,220.80, 279,960,331.20 and 148,093,033.60

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Solution

The fourth proportional to 186,640,220.80, 279,960,331.20 and 148,093,033.60 is: 222,139,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,640,220.80 : 279,960,331.20 = 148,093,033.60 : x
  2. Step 2: Convert to fraction form
    186,640,220.80/279,960,331.20 = 148,093,033.60/x
  3. Step 3: Cross multiply
    186,640,220.80x = 279,960,331.20 × 148,093,033.60
  4. Step 4: Simplify right side
    186,640,220.80x = 41,460,174,735,068,728
  5. Step 5: Solve for x
    x = 41,460,174,735,068,728/186,640,220.80
  6. Step 6: Final answer
    x = 222,139,550.40

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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.