Finding the Fourth Proportional to 157,799,725.08, 236,721,822.12 and 48,633,724.68
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Solution
The fourth proportional to 157,799,725.08, 236,721,822.12 and 48,633,724.68 is: 72,957,439.67
Step by Step Solution
- Step 1: Write the proportion equation
157,799,725.08 : 236,721,822.12 = 48,633,724.68 : x - Step 2: Convert to fraction form
157,799,725.08/236,721,822.12 = 48,633,724.68/x - Step 3: Cross multiply
157,799,725.08x = 236,721,822.12 × 48,633,724.68 - Step 4: Simplify right side
157,799,725.08x = 11,512,663,922,732,014 - Step 5: Solve for x
x = 11,512,663,922,732,014/157,799,725.08 - Step 6: Final answer
x = 72,957,439.67
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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.