Finding the Fourth Proportional to 71,996,704.56, 99,354,706.11 and 38,956,224.81
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Solution
The fourth proportional to 71,996,704.56, 99,354,706.11 and 38,956,224.81 is: 53,759,186.49
Step by Step Solution
- Step 1: Write the proportion equation
71,996,704.56 : 99,354,706.11 = 38,956,224.81 : x - Step 2: Convert to fraction form
71,996,704.56/99,354,706.11 = 38,956,224.81/x - Step 3: Cross multiply
71,996,704.56x = 99,354,706.11 × 38,956,224.81 - Step 4: Simplify right side
71,996,704.56x = 3,870,484,267,152,641 - Step 5: Solve for x
x = 3,870,484,267,152,641/71,996,704.56 - Step 6: Final answer
x = 53,759,186.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.