Finding the Fourth Proportional to 97,775,810.20, 146,663,715.30 and 33,081,725.80
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Solution
The fourth proportional to 97,775,810.20, 146,663,715.30 and 33,081,725.80 is: 49,622,588.70
Step by Step Solution
- Step 1: Write the proportion equation
97,775,810.20 : 146,663,715.30 = 33,081,725.80 : x - Step 2: Convert to fraction form
97,775,810.20/146,663,715.30 = 33,081,725.80/x - Step 3: Cross multiply
97,775,810.20x = 146,663,715.30 × 33,081,725.80 - Step 4: Simplify right side
97,775,810.20x = 4,851,888,814,363,865 - Step 5: Solve for x
x = 4,851,888,814,363,865/97,775,810.20 - Step 6: Final answer
x = 49,622,588.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.