Finding the Fourth Proportional to 248,403,629.56, 342,799,349.50 and 136,898,485.26
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Solution
The fourth proportional to 248,403,629.56, 342,799,349.50 and 136,898,485.26 is: 188,921,199.65
Step by Step Solution
- Step 1: Write the proportion equation
248,403,629.56 : 342,799,349.50 = 136,898,485.26 : x - Step 2: Convert to fraction form
248,403,629.56/342,799,349.50 = 136,898,485.26/x - Step 3: Cross multiply
248,403,629.56x = 342,799,349.50 × 136,898,485.26 - Step 4: Simplify right side
248,403,629.56x = 46,928,711,694,663,336 - Step 5: Solve for x
x = 46,928,711,694,663,336/248,403,629.56 - Step 6: Final answer
x = 188,921,199.65
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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.