Finding the Fourth Proportional to 70,964,571.42, 97,912,597.05 and 41,580,117.18
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Solution
The fourth proportional to 70,964,571.42, 97,912,597.05 and 41,580,117.18 is: 57,369,715.30
Step by Step Solution
- Step 1: Write the proportion equation
70,964,571.42 : 97,912,597.05 = 41,580,117.18 : x - Step 2: Convert to fraction form
70,964,571.42/97,912,597.05 = 41,580,117.18/x - Step 3: Cross multiply
70,964,571.42x = 97,912,597.05 × 41,580,117.18 - Step 4: Simplify right side
70,964,571.42x = 4,071,217,258,737,122 - Step 5: Solve for x
x = 4,071,217,258,737,122/70,964,571.42 - Step 6: Final answer
x = 57,369,715.30
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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.