Finding the Fourth Proportional to 163,328,849.21, 245,029,146.74 and 48,304,424.09
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Solution
The fourth proportional to 163,328,849.21, 245,029,146.74 and 48,304,424.09 is: 72,467,245.53
Step by Step Solution
- Step 1: Write the proportion equation
163,328,849.21 : 245,029,146.74 = 48,304,424.09 : x - Step 2: Convert to fraction form
163,328,849.21/245,029,146.74 = 48,304,424.09/x - Step 3: Cross multiply
163,328,849.21x = 245,029,146.74 × 48,304,424.09 - Step 4: Simplify right side
163,328,849.21x = 11,835,991,817,073,134 - Step 5: Solve for x
x = 11,835,991,817,073,134/163,328,849.21 - Step 6: Final answer
x = 72,467,245.53
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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.