Finding the Fourth Proportional to 228,060,997.58, 314,726,642.93 and 133,979,110.09
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Solution
The fourth proportional to 228,060,997.58, 314,726,642.93 and 133,979,110.09 is: 184,892,620.78
Step by Step Solution
- Step 1: Write the proportion equation
228,060,997.58 : 314,726,642.93 = 133,979,110.09 : x - Step 2: Convert to fraction form
228,060,997.58/314,726,642.93 = 133,979,110.09/x - Step 3: Cross multiply
228,060,997.58x = 314,726,642.93 × 133,979,110.09 - Step 4: Simplify right side
228,060,997.58x = 42,166,795,540,922,720 - Step 5: Solve for x
x = 42,166,795,540,922,720/228,060,997.58 - Step 6: Final answer
x = 184,892,620.78
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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.