Home / 193,343,393.60-290,015,090.40-116,902,203.20

Finding the Fourth Proportional to 193,343,393.60, 290,015,090.40 and 116,902,203.20

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Solution

The fourth proportional to 193,343,393.60, 290,015,090.40 and 116,902,203.20 is: 175,353,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,343,393.60 : 290,015,090.40 = 116,902,203.20 : x
  2. Step 2: Convert to fraction form
    193,343,393.60/290,015,090.40 = 116,902,203.20/x
  3. Step 3: Cross multiply
    193,343,393.60x = 290,015,090.40 × 116,902,203.20
  4. Step 4: Simplify right side
    193,343,393.60x = 33,903,403,029,007,168
  5. Step 5: Solve for x
    x = 33,903,403,029,007,168/193,343,393.60
  6. Step 6: Final answer
    x = 175,353,304.80

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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.