Finding the Fourth Proportional to 102,114,939.74, 152,375,972.18 and 91,109,474.81
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Solution
The fourth proportional to 102,114,939.74, 152,375,972.18 and 91,109,474.81 is: 135,953,611.04
Step by Step Solution
- Step 1: Write the proportion equation
102,114,939.74 : 152,375,972.18 = 91,109,474.81 : x - Step 2: Convert to fraction form
102,114,939.74/152,375,972.18 = 91,109,474.81/x - Step 3: Cross multiply
102,114,939.74x = 152,375,972.18 × 91,109,474.81 - Step 4: Simplify right side
102,114,939.74x = 13,882,894,799,210,746 - Step 5: Solve for x
x = 13,882,894,799,210,746/102,114,939.74 - Step 6: Final answer
x = 135,953,611.04
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.