Finding the Fourth Proportional to 97,739,303.40, 146,512,532.70 and 54,629,159.40
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Solution
The fourth proportional to 97,739,303.40, 146,512,532.70 and 54,629,159.40 is: 81,889,845.99
Step by Step Solution
- Step 1: Write the proportion equation
97,739,303.40 : 146,512,532.70 = 54,629,159.40 : x - Step 2: Convert to fraction form
97,739,303.40/146,512,532.70 = 54,629,159.40/x - Step 3: Cross multiply
97,739,303.40x = 146,512,532.70 × 54,629,159.40 - Step 4: Simplify right side
97,739,303.40x = 8,003,856,502,966,012 - Step 5: Solve for x
x = 8,003,856,502,966,012/97,739,303.40 - Step 6: Final answer
x = 81,889,845.99
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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.