Finding the Fourth Proportional to 106,487,680.36, 159,311,244.52 and 80,654,398.96
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Solution
The fourth proportional to 106,487,680.36, 159,311,244.52 and 80,654,398.96 is: 120,663,278.90
Step by Step Solution
- Step 1: Write the proportion equation
106,487,680.36 : 159,311,244.52 = 80,654,398.96 : x - Step 2: Convert to fraction form
106,487,680.36/159,311,244.52 = 80,654,398.96/x - Step 3: Cross multiply
106,487,680.36x = 159,311,244.52 × 80,654,398.96 - Step 4: Simplify right side
106,487,680.36x = 12,849,152,674,330,194 - Step 5: Solve for x
x = 12,849,152,674,330,194/106,487,680.36 - Step 6: Final answer
x = 120,663,278.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.