Finding the Fourth Proportional to 121,802,904.94, 182,631,392.94 and 38,768,791.63
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Solution
The fourth proportional to 121,802,904.94, 182,631,392.94 and 38,768,791.63 is: 58,129,963.49
Step by Step Solution
- Step 1: Write the proportion equation
121,802,904.94 : 182,631,392.94 = 38,768,791.63 : x - Step 2: Convert to fraction form
121,802,904.94/182,631,392.94 = 38,768,791.63/x - Step 3: Cross multiply
121,802,904.94x = 182,631,392.94 × 38,768,791.63 - Step 4: Simplify right side
121,802,904.94x = 7,080,398,416,880,512 - Step 5: Solve for x
x = 7,080,398,416,880,512/121,802,904.94 - Step 6: Final answer
x = 58,129,963.49
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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.