Finding the Fourth Proportional to 163,802,781.46, 245,738,724.45 and 53,129,857.06
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Solution
The fourth proportional to 163,802,781.46, 245,738,724.45 and 53,129,857.06 is: 79,705,992.71
Step by Step Solution
- Step 1: Write the proportion equation
163,802,781.46 : 245,738,724.45 = 53,129,857.06 : x - Step 2: Convert to fraction form
163,802,781.46/245,738,724.45 = 53,129,857.06/x - Step 3: Cross multiply
163,802,781.46x = 245,738,724.45 × 53,129,857.06 - Step 4: Simplify right side
163,802,781.46x = 13,056,063,304,135,228 - Step 5: Solve for x
x = 13,056,063,304,135,228/163,802,781.46 - Step 6: Final answer
x = 79,705,992.71
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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.