Finding the Fourth Proportional to 136,250,486.92, 187,997,603.70 and 78,292,537.48
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Solution
The fourth proportional to 136,250,486.92, 187,997,603.70 and 78,292,537.48 is: 108,027,573.09
Step by Step Solution
- Step 1: Write the proportion equation
136,250,486.92 : 187,997,603.70 = 78,292,537.48 : x - Step 2: Convert to fraction form
136,250,486.92/187,997,603.70 = 78,292,537.48/x - Step 3: Cross multiply
136,250,486.92x = 187,997,603.70 × 78,292,537.48 - Step 4: Simplify right side
136,250,486.92x = 14,718,809,433,832,436 - Step 5: Solve for x
x = 14,718,809,433,832,436/136,250,486.92 - Step 6: Final answer
x = 108,027,573.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.