Finding the Fourth Proportional to 131,495,537.70, 197,243,306.55 and 54,873,555.30
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Solution
The fourth proportional to 131,495,537.70, 197,243,306.55 and 54,873,555.30 is: 82,310,332.95
Step by Step Solution
- Step 1: Write the proportion equation
131,495,537.70 : 197,243,306.55 = 54,873,555.30 : x - Step 2: Convert to fraction form
131,495,537.70/197,243,306.55 = 54,873,555.30/x - Step 3: Cross multiply
131,495,537.70x = 197,243,306.55 × 54,873,555.30 - Step 4: Simplify right side
131,495,537.70x = 10,823,441,489,526,278 - Step 5: Solve for x
x = 10,823,441,489,526,278/131,495,537.70 - Step 6: Final answer
x = 82,310,332.95
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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.