Finding the Fourth Proportional to 70,881,318.69, 97,816,259.03 and 38,286,270.69
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Solution
The fourth proportional to 70,881,318.69, 97,816,259.03 and 38,286,270.69 is: 52,835,074.74
Step by Step Solution
- Step 1: Write the proportion equation
70,881,318.69 : 97,816,259.03 = 38,286,270.69 : x - Step 2: Convert to fraction form
70,881,318.69/97,816,259.03 = 38,286,270.69/x - Step 3: Cross multiply
70,881,318.69x = 97,816,259.03 × 38,286,270.69 - Step 4: Simplify right side
70,881,318.69x = 3,745,019,770,861,196 - Step 5: Solve for x
x = 3,745,019,770,861,196/70,881,318.69 - Step 6: Final answer
x = 52,835,074.74
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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.