Finding the Fourth Proportional to 194,584,376.80, 268,526,431.68 and 106,478,381.92
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Solution
The fourth proportional to 194,584,376.80, 268,526,431.68 and 106,478,381.92 is: 146,940,162.51
Step by Step Solution
- Step 1: Write the proportion equation
194,584,376.80 : 268,526,431.68 = 106,478,381.92 : x - Step 2: Convert to fraction form
194,584,376.80/268,526,431.68 = 106,478,381.92/x - Step 3: Cross multiply
194,584,376.80x = 268,526,431.68 × 106,478,381.92 - Step 4: Simplify right side
194,584,376.80x = 28,592,259,948,037,828 - Step 5: Solve for x
x = 28,592,259,948,037,828/194,584,376.80 - Step 6: Final answer
x = 146,940,162.51
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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.