Finding the Fourth Proportional to 86,252,368.86, 129,302,970.17 and 32,437,472.22
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Solution
The fourth proportional to 86,252,368.86, 129,302,970.17 and 32,437,472.22 is: 48,627,783.31
Step by Step Solution
- Step 1: Write the proportion equation
86,252,368.86 : 129,302,970.17 = 32,437,472.22 : x - Step 2: Convert to fraction form
86,252,368.86/129,302,970.17 = 32,437,472.22/x - Step 3: Cross multiply
86,252,368.86x = 129,302,970.17 × 32,437,472.22 - Step 4: Simplify right side
86,252,368.86x = 4,194,261,502,690,676.50 - Step 5: Solve for x
x = 4,194,261,502,690,676.50/86,252,368.86 - Step 6: Final answer
x = 48,627,783.31
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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.