Finding the Fourth Proportional to 135,040,800.98, 186,353,876.14 and 76,302,204.98
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Solution
The fourth proportional to 135,040,800.98, 186,353,876.14 and 76,302,204.98 is: 105,295,670.29
Step by Step Solution
- Step 1: Write the proportion equation
135,040,800.98 : 186,353,876.14 = 76,302,204.98 : x - Step 2: Convert to fraction form
135,040,800.98/186,353,876.14 = 76,302,204.98/x - Step 3: Cross multiply
135,040,800.98x = 186,353,876.14 × 76,302,204.98 - Step 4: Simplify right side
135,040,800.98x = 14,219,211,656,051,810 - Step 5: Solve for x
x = 14,219,211,656,051,810/135,040,800.98 - Step 6: Final answer
x = 105,295,670.29
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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.