Finding the Fourth Proportional to 136,063,669.92, 187,762,455.48 and 80,327,044.08
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Solution
The fourth proportional to 136,063,669.92, 187,762,455.48 and 80,327,044.08 is: 110,848,127.55
Step by Step Solution
- Step 1: Write the proportion equation
136,063,669.92 : 187,762,455.48 = 80,327,044.08 : x - Step 2: Convert to fraction form
136,063,669.92/187,762,455.48 = 80,327,044.08/x - Step 3: Cross multiply
136,063,669.92x = 187,762,455.48 × 80,327,044.08 - Step 4: Simplify right side
136,063,669.92x = 15,082,403,037,910,996 - Step 5: Solve for x
x = 15,082,403,037,910,996/136,063,669.92 - Step 6: Final answer
x = 110,848,127.55
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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.