Finding the Fourth Proportional to 76,711,849.08, 115,066,986.17 and 44,343,155.58
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Solution
The fourth proportional to 76,711,849.08, 115,066,986.17 and 44,343,155.58 is: 66,514,278.18
Step by Step Solution
- Step 1: Write the proportion equation
76,711,849.08 : 115,066,986.17 = 44,343,155.58 : x - Step 2: Convert to fraction form
76,711,849.08/115,066,986.17 = 44,343,155.58/x - Step 3: Cross multiply
76,711,849.08x = 115,066,986.17 × 44,343,155.58 - Step 4: Simplify right side
76,711,849.08x = 5,102,433,269,636,303 - Step 5: Solve for x
x = 5,102,433,269,636,303/76,711,849.08 - Step 6: Final answer
x = 66,514,278.18
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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.