Finding the Fourth Proportional to 81,475,341.62, 112,433,729.20 and 44,805,912.62
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Solution
The fourth proportional to 81,475,341.62, 112,433,729.20 and 44,805,912.62 is: 61,830,926.33
Step by Step Solution
- Step 1: Write the proportion equation
81,475,341.62 : 112,433,729.20 = 44,805,912.62 : x - Step 2: Convert to fraction form
81,475,341.62/112,433,729.20 = 44,805,912.62/x - Step 3: Cross multiply
81,475,341.62x = 112,433,729.20 × 44,805,912.62 - Step 4: Simplify right side
81,475,341.62x = 5,037,695,845,401,760 - Step 5: Solve for x
x = 5,037,695,845,401,760/81,475,341.62 - Step 6: Final answer
x = 61,830,926.33
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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.