Home / 133,543,972.31-184,288,661.04-74,808,739.38

Finding the Fourth Proportional to 133,543,972.31, 184,288,661.04 and 74,808,739.38

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Solution

The fourth proportional to 133,543,972.31, 184,288,661.04 and 74,808,739.38 is: 103,234,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,543,972.31 : 184,288,661.04 = 74,808,739.38 : x
  2. Step 2: Convert to fraction form
    133,543,972.31/184,288,661.04 = 74,808,739.38/x
  3. Step 3: Cross multiply
    133,543,972.31x = 184,288,661.04 × 74,808,739.38
  4. Step 4: Simplify right side
    133,543,972.31x = 13,786,402,414,056,474
  5. Step 5: Solve for x
    x = 13,786,402,414,056,474/133,543,972.31
  6. Step 6: Final answer
    x = 103,234,928.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.