Finding the Fourth Proportional to 75,060,186.84, 103,580,031.42 and 43,699,138.37
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Solution
The fourth proportional to 75,060,186.84, 103,580,031.42 and 43,699,138.37 is: 60,303,049.00
Step by Step Solution
- Step 1: Write the proportion equation
75,060,186.84 : 103,580,031.42 = 43,699,138.37 : x - Step 2: Convert to fraction form
75,060,186.84/103,580,031.42 = 43,699,138.37/x - Step 3: Cross multiply
75,060,186.84x = 103,580,031.42 × 43,699,138.37 - Step 4: Simplify right side
75,060,186.84x = 4,526,358,125,262,052 - Step 5: Solve for x
x = 4,526,358,125,262,052/75,060,186.84 - Step 6: Final answer
x = 60,303,049.00
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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.