Finding the Fourth Proportional to 133,912,667.36, 184,789,278.24 and 75,163,982.12
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Solution
The fourth proportional to 133,912,667.36, 184,789,278.24 and 75,163,982.12 is: 103,720,568.63
Step by Step Solution
- Step 1: Write the proportion equation
133,912,667.36 : 184,789,278.24 = 75,163,982.12 : x - Step 2: Convert to fraction form
133,912,667.36/184,789,278.24 = 75,163,982.12/x - Step 3: Cross multiply
133,912,667.36x = 184,789,278.24 × 75,163,982.12 - Step 4: Simplify right side
133,912,667.36x = 13,889,498,005,599,066 - Step 5: Solve for x
x = 13,889,498,005,599,066/133,912,667.36 - Step 6: Final answer
x = 103,720,568.63
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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.