Finding the Fourth Proportional to 276,759,105.48, 415,243,211.81 and 166,171,884.84
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Solution
The fourth proportional to 276,759,105.48, 415,243,211.81 and 166,171,884.84 is: 249,320,603.39
Step by Step Solution
- Step 1: Write the proportion equation
276,759,105.48 : 415,243,211.81 = 166,171,884.84 : x - Step 2: Convert to fraction form
276,759,105.48/415,243,211.81 = 166,171,884.84/x - Step 3: Cross multiply
276,759,105.48x = 415,243,211.81 × 166,171,884.84 - Step 4: Simplify right side
276,759,105.48x = 69,001,747,172,652,192 - Step 5: Solve for x
x = 69,001,747,172,652,192/276,759,105.48 - Step 6: Final answer
x = 249,320,603.39
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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.