Finding the Fourth Proportional to 163,302,663.24, 244,868,940 and 77,017,902.48
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Solution
The fourth proportional to 163,302,663.24, 244,868,940 and 77,017,902.48 is: 115,486,739.57
Step by Step Solution
- Step 1: Write the proportion equation
163,302,663.24 : 244,868,940 = 77,017,902.48 : x - Step 2: Convert to fraction form
163,302,663.24/244,868,940 = 77,017,902.48/x - Step 3: Cross multiply
163,302,663.24x = 244,868,940 × 77,017,902.48 - Step 4: Simplify right side
163,302,663.24x = 18,859,292,141,300,972 - Step 5: Solve for x
x = 18,859,292,141,300,972/163,302,663.24 - Step 6: Final answer
x = 115,486,739.57
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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.