Finding the Fourth Proportional to 112,292,551.80, 168,438,827.70 and 27,192,007.80
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Solution
The fourth proportional to 112,292,551.80, 168,438,827.70 and 27,192,007.80 is: 40,788,011.70
Step by Step Solution
- Step 1: Write the proportion equation
112,292,551.80 : 168,438,827.70 = 27,192,007.80 : x - Step 2: Convert to fraction form
112,292,551.80/168,438,827.70 = 27,192,007.80/x - Step 3: Cross multiply
112,292,551.80x = 168,438,827.70 × 27,192,007.80 - Step 4: Simplify right side
112,292,551.80x = 4,580,189,916,641,256 - Step 5: Solve for x
x = 4,580,189,916,641,256/112,292,551.80 - Step 6: Final answer
x = 40,788,011.70
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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.