Finding the Fourth Proportional to 71,556,415.70, 107,334,623.55 and 71,556,415.70
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Solution
The fourth proportional to 71,556,415.70, 107,334,623.55 and 71,556,415.70 is: 107,334,623.55
Step by Step Solution
- Step 1: Write the proportion equation
71,556,415.70 : 107,334,623.55 = 71,556,415.70 : x - Step 2: Convert to fraction form
71,556,415.70/107,334,623.55 = 71,556,415.70/x - Step 3: Cross multiply
71,556,415.70x = 107,334,623.55 × 71,556,415.70 - Step 4: Simplify right side
71,556,415.70x = 7,680,480,941,746,810 - Step 5: Solve for x
x = 7,680,480,941,746,810/71,556,415.70 - Step 6: Final answer
x = 107,334,623.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.