Finding the Fourth Proportional to 121,413,013.12, 182,119,830.72 and 49,609,429.12
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Solution
The fourth proportional to 121,413,013.12, 182,119,830.72 and 49,609,429.12 is: 74,414,270.77
Step by Step Solution
- Step 1: Write the proportion equation
121,413,013.12 : 182,119,830.72 = 49,609,429.12 : x - Step 2: Convert to fraction form
121,413,013.12/182,119,830.72 = 49,609,429.12/x - Step 3: Cross multiply
121,413,013.12x = 182,119,830.72 × 49,609,429.12 - Step 4: Simplify right side
121,413,013.12x = 9,034,860,833,450,238 - Step 5: Solve for x
x = 9,034,860,833,450,238/121,413,013.12 - Step 6: Final answer
x = 74,414,270.77
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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.