Finding the Fourth Proportional to 96,345,725.40, 132,957,246.69 and 52,292,740.05
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Solution
The fourth proportional to 96,345,725.40, 132,957,246.69 and 52,292,740.05 is: 72,164,060.32
Step by Step Solution
- Step 1: Write the proportion equation
96,345,725.40 : 132,957,246.69 = 52,292,740.05 : x - Step 2: Convert to fraction form
96,345,725.40/132,957,246.69 = 52,292,740.05/x - Step 3: Cross multiply
96,345,725.40x = 132,957,246.69 × 52,292,740.05 - Step 4: Simplify right side
96,345,725.40x = 6,952,698,738,923,892 - Step 5: Solve for x
x = 6,952,698,738,923,892/96,345,725.40 - Step 6: Final answer
x = 72,164,060.32
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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.