Finding the Fourth Proportional to 117,292,675.80, 175,965,171.57 and 38,512,693.02
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Solution
The fourth proportional to 117,292,675.80, 175,965,171.57 and 38,512,693.02 is: 57,777,628.39
Step by Step Solution
- Step 1: Write the proportion equation
117,292,675.80 : 175,965,171.57 = 38,512,693.02 : x - Step 2: Convert to fraction form
117,292,675.80/175,965,171.57 = 38,512,693.02/x - Step 3: Cross multiply
117,292,675.80x = 175,965,171.57 × 38,512,693.02 - Step 4: Simplify right side
117,292,675.80x = 6,776,892,634,887,042 - Step 5: Solve for x
x = 6,776,892,634,887,042/117,292,675.80 - Step 6: Final answer
x = 57,777,628.39
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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.