Home / 193,343,999.60-290,015,999.40-116,902,809.20

Finding the Fourth Proportional to 193,343,999.60, 290,015,999.40 and 116,902,809.20

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Solution

The fourth proportional to 193,343,999.60, 290,015,999.40 and 116,902,809.20 is: 175,354,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,343,999.60 : 290,015,999.40 = 116,902,809.20 : x
  2. Step 2: Convert to fraction form
    193,343,999.60/290,015,999.40 = 116,902,809.20/x
  3. Step 3: Cross multiply
    193,343,999.60x = 290,015,999.40 × 116,902,809.20
  4. Step 4: Simplify right side
    193,343,999.60x = 33,903,685,042,805,512
  5. Step 5: Solve for x
    x = 33,903,685,042,805,512/193,343,999.60
  6. Step 6: Final answer
    x = 175,354,213.80

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1.5x scale

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.