Home / 193,581,829.80-290,372,744.70-149,743,852.20

Finding the Fourth Proportional to 193,581,829.80, 290,372,744.70 and 149,743,852.20

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Solution

The fourth proportional to 193,581,829.80, 290,372,744.70 and 149,743,852.20 is: 224,615,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,581,829.80 : 290,372,744.70 = 149,743,852.20 : x
  2. Step 2: Convert to fraction form
    193,581,829.80/290,372,744.70 = 149,743,852.20/x
  3. Step 3: Cross multiply
    193,581,829.80x = 290,372,744.70 × 149,743,852.20
  4. Step 4: Simplify right side
    193,581,829.80x = 43,481,533,365,265,128
  5. Step 5: Solve for x
    x = 43,481,533,365,265,128/193,581,829.80
  6. Step 6: Final answer
    x = 224,615,778.30

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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.