Finding the Fourth Proportional to 141,377,720.28, 195,102,419.76 and 79,497,517.56
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Solution
The fourth proportional to 141,377,720.28, 195,102,419.76 and 79,497,517.56 is: 109,707,229.75
Step by Step Solution
- Step 1: Write the proportion equation
141,377,720.28 : 195,102,419.76 = 79,497,517.56 : x - Step 2: Convert to fraction form
141,377,720.28/195,102,419.76 = 79,497,517.56/x - Step 3: Cross multiply
141,377,720.28x = 195,102,419.76 × 79,497,517.56 - Step 4: Simplify right side
141,377,720.28x = 15,510,158,040,869,090 - Step 5: Solve for x
x = 15,510,158,040,869,090/141,377,720.28 - Step 6: Final answer
x = 109,707,229.75
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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.