Finding the Fourth Proportional to 314,909,687.94, 472,310,695.26 and 84,824,964.24
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Solution
The fourth proportional to 314,909,687.94, 472,310,695.26 and 84,824,964.24 is: 127,222,944.77
Step by Step Solution
- Step 1: Write the proportion equation
314,909,687.94 : 472,310,695.26 = 84,824,964.24 : x - Step 2: Convert to fraction form
314,909,687.94/472,310,695.26 = 84,824,964.24/x - Step 3: Cross multiply
314,909,687.94x = 472,310,695.26 × 84,824,964.24 - Step 4: Simplify right side
314,909,687.94x = 40,063,737,835,599,032 - Step 5: Solve for x
x = 40,063,737,835,599,032/314,909,687.94 - Step 6: Final answer
x = 127,222,944.77
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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.