Finding the Fourth Proportional to 77,123,638.35, 106,430,823.05 and 41,841,441.68
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Solution
The fourth proportional to 77,123,638.35, 106,430,823.05 and 41,841,441.68 is: 57,741,299.17
Step by Step Solution
- Step 1: Write the proportion equation
77,123,638.35 : 106,430,823.05 = 41,841,441.68 : x - Step 2: Convert to fraction form
77,123,638.35/106,430,823.05 = 41,841,441.68/x - Step 3: Cross multiply
77,123,638.35x = 106,430,823.05 × 41,841,441.68 - Step 4: Simplify right side
77,123,638.35x = 4,453,219,074,859,613 - Step 5: Solve for x
x = 4,453,219,074,859,613/77,123,638.35 - Step 6: Final answer
x = 57,741,299.17
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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.