Finding the Fourth Proportional to 56,126,729.72, 77,412,207.24 and 48,299,434.84
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Solution
The fourth proportional to 56,126,729.72, 77,412,207.24 and 48,299,434.84 is: 66,616,492.32
Step by Step Solution
- Step 1: Write the proportion equation
56,126,729.72 : 77,412,207.24 = 48,299,434.84 : x - Step 2: Convert to fraction form
56,126,729.72/77,412,207.24 = 48,299,434.84/x - Step 3: Cross multiply
56,126,729.72x = 77,412,207.24 × 48,299,434.84 - Step 4: Simplify right side
56,126,729.72x = 3,738,965,859,408,956.50 - Step 5: Solve for x
x = 3,738,965,859,408,956.50/56,126,729.72 - Step 6: Final answer
x = 66,616,492.32
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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.