Finding the Fourth Proportional to 71,165,049.48, 98,207,042.22 and 39,803,023.62
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Solution
The fourth proportional to 71,165,049.48, 98,207,042.22 and 39,803,023.62 is: 54,927,766.50
Step by Step Solution
- Step 1: Write the proportion equation
71,165,049.48 : 98,207,042.22 = 39,803,023.62 : x - Step 2: Convert to fraction form
71,165,049.48/98,207,042.22 = 39,803,023.62/x - Step 3: Cross multiply
71,165,049.48x = 98,207,042.22 × 39,803,023.62 - Step 4: Simplify right side
71,165,049.48x = 3,908,937,221,132,997 - Step 5: Solve for x
x = 3,908,937,221,132,997/71,165,049.48 - Step 6: Final answer
x = 54,927,766.50
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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.