Home / 194,055,998.40-291,013,138.80-64,667,829.60

Finding the Fourth Proportional to 194,055,998.40, 291,013,138.80 and 64,667,829.60

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Solution

The fourth proportional to 194,055,998.40, 291,013,138.80 and 64,667,829.60 is: 96,978,131.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,055,998.40 : 291,013,138.80 = 64,667,829.60 : x
  2. Step 2: Convert to fraction form
    194,055,998.40/291,013,138.80 = 64,667,829.60/x
  3. Step 3: Cross multiply
    194,055,998.40x = 291,013,138.80 × 64,667,829.60
  4. Step 4: Simplify right side
    194,055,998.40x = 18,819,188,071,279,548
  5. Step 5: Solve for x
    x = 18,819,188,071,279,548/194,055,998.40
  6. Step 6: Final answer
    x = 96,978,131.19

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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.