Finding the Fourth Proportional to 157,601,404.80, 236,402,107.20 and 49,896,028.80
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Solution
The fourth proportional to 157,601,404.80, 236,402,107.20 and 49,896,028.80 is: 74,844,043.20
Step by Step Solution
- Step 1: Write the proportion equation
157,601,404.80 : 236,402,107.20 = 49,896,028.80 : x - Step 2: Convert to fraction form
157,601,404.80/236,402,107.20 = 49,896,028.80/x - Step 3: Cross multiply
157,601,404.80x = 236,402,107.20 × 49,896,028.80 - Step 4: Simplify right side
157,601,404.80x = 11,795,526,349,231,886 - Step 5: Solve for x
x = 11,795,526,349,231,886/157,601,404.80 - Step 6: Final answer
x = 74,844,043.20
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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.