Home / 133,059,138.30-199,588,707.45-123,105,858.30

Finding the Fourth Proportional to 133,059,138.30, 199,588,707.45 and 123,105,858.30

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Solution

The fourth proportional to 133,059,138.30, 199,588,707.45 and 123,105,858.30 is: 184,658,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059,138.30 : 199,588,707.45 = 123,105,858.30 : x
  2. Step 2: Convert to fraction form
    133,059,138.30/199,588,707.45 = 123,105,858.30/x
  3. Step 3: Cross multiply
    133,059,138.30x = 199,588,707.45 × 123,105,858.30
  4. Step 4: Simplify right side
    133,059,138.30x = 24,570,539,137,619,852
  5. Step 5: Solve for x
    x = 24,570,539,137,619,852/133,059,138.30
  6. Step 6: Final answer
    x = 184,658,787.45

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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.