Finding the Fourth Proportional to 157,548,496.50, 236,357,879.30 and 48,384,684.31
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Solution
The fourth proportional to 157,548,496.50, 236,357,879.30 and 48,384,684.31 is: 72,587,816.63
Step by Step Solution
- Step 1: Write the proportion equation
157,548,496.50 : 236,357,879.30 = 48,384,684.31 : x - Step 2: Convert to fraction form
157,548,496.50/236,357,879.30 = 48,384,684.31/x - Step 3: Cross multiply
157,548,496.50x = 236,357,879.30 × 48,384,684.31 - Step 4: Simplify right side
157,548,496.50x = 11,436,101,374,111,584 - Step 5: Solve for x
x = 11,436,101,374,111,584/157,548,496.50 - Step 6: Final answer
x = 72,587,816.63
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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.