Finding the Fourth Proportional to 112,292,425.80, 168,438,638.70 and 27,191,881.80
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Solution
The fourth proportional to 112,292,425.80, 168,438,638.70 and 27,191,881.80 is: 40,787,822.70
Step by Step Solution
- Step 1: Write the proportion equation
112,292,425.80 : 168,438,638.70 = 27,191,881.80 : x - Step 2: Convert to fraction form
112,292,425.80/168,438,638.70 = 27,191,881.80/x - Step 3: Cross multiply
112,292,425.80x = 168,438,638.70 × 27,191,881.80 - Step 4: Simplify right side
112,292,425.80x = 4,580,163,554,083,305 - Step 5: Solve for x
x = 4,580,163,554,083,305/112,292,425.80 - Step 6: Final answer
x = 40,787,822.70
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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.