Finding the Fourth Proportional to 251,634,338.97, 377,473,305.56 and 76,796,707.08
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Solution
The fourth proportional to 251,634,338.97, 377,473,305.56 and 76,796,707.08 is: 115,201,712.91
Step by Step Solution
- Step 1: Write the proportion equation
251,634,338.97 : 377,473,305.56 = 76,796,707.08 : x - Step 2: Convert to fraction form
251,634,338.97/377,473,305.56 = 76,796,707.08/x - Step 3: Cross multiply
251,634,338.97x = 377,473,305.56 × 76,796,707.08 - Step 4: Simplify right side
251,634,338.97x = 28,988,706,877,226,672 - Step 5: Solve for x
x = 28,988,706,877,226,672/251,634,338.97 - Step 6: Final answer
x = 115,201,712.91
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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.