Finding the Fourth Proportional to 263,603,971.52, 363,773,472.83 and 146,129,004.08
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Solution
The fourth proportional to 263,603,971.52, 363,773,472.83 and 146,129,004.08 is: 201,658,021.26
Step by Step Solution
- Step 1: Write the proportion equation
263,603,971.52 : 363,773,472.83 = 146,129,004.08 : x - Step 2: Convert to fraction form
263,603,971.52/363,773,472.83 = 146,129,004.08/x - Step 3: Cross multiply
263,603,971.52x = 363,773,472.83 × 146,129,004.08 - Step 4: Simplify right side
263,603,971.52x = 53,157,855,292,821,320 - Step 5: Solve for x
x = 53,157,855,292,821,320/263,603,971.52 - Step 6: Final answer
x = 201,658,021.26
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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.