Finding the Fourth Proportional to 106,735,609.26, 147,295,266.75 and 57,843,037.26
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Solution
The fourth proportional to 106,735,609.26, 147,295,266.75 and 57,843,037.26 is: 79,823,459.69
Step by Step Solution
- Step 1: Write the proportion equation
106,735,609.26 : 147,295,266.75 = 57,843,037.26 : x - Step 2: Convert to fraction form
106,735,609.26/147,295,266.75 = 57,843,037.26/x - Step 3: Cross multiply
106,735,609.26x = 147,295,266.75 × 57,843,037.26 - Step 4: Simplify right side
106,735,609.26x = 8,520,005,602,841,889 - Step 5: Solve for x
x = 8,520,005,602,841,889/106,735,609.26 - Step 6: Final answer
x = 79,823,459.69
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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.