Finding the Fourth Proportional to 74,853,722.70, 112,112,622.45 and 61,416,794.70
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Solution
The fourth proportional to 74,853,722.70, 112,112,622.45 and 61,416,794.70 is: 91,987,381.09
Step by Step Solution
- Step 1: Write the proportion equation
74,853,722.70 : 112,112,622.45 = 61,416,794.70 : x - Step 2: Convert to fraction form
74,853,722.70/112,112,622.45 = 61,416,794.70/x - Step 3: Cross multiply
74,853,722.70x = 112,112,622.45 × 61,416,794.70 - Step 4: Simplify right side
74,853,722.70x = 6,885,597,916,290,262 - Step 5: Solve for x
x = 6,885,597,916,290,262/74,853,722.70 - Step 6: Final answer
x = 91,987,381.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.