Home / 193,343,999.10-290,015,998.65-116,902,808.70

Finding the Fourth Proportional to 193,343,999.10, 290,015,998.65 and 116,902,808.70

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Solution

The fourth proportional to 193,343,999.10, 290,015,998.65 and 116,902,808.70 is: 175,354,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,343,999.10 : 290,015,998.65 = 116,902,808.70 : x
  2. Step 2: Convert to fraction form
    193,343,999.10/290,015,998.65 = 116,902,808.70/x
  3. Step 3: Cross multiply
    193,343,999.10x = 290,015,998.65 × 116,902,808.70
  4. Step 4: Simplify right side
    193,343,999.10x = 33,903,684,810,120,408
  5. Step 5: Solve for x
    x = 33,903,684,810,120,408/193,343,999.10
  6. Step 6: Final answer
    x = 175,354,213.05

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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.