Finding the Fourth Proportional to 161,175,066.06, 222,415,102.35 and 87,834,633.42
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Solution
The fourth proportional to 161,175,066.06, 222,415,102.35 and 87,834,633.42 is: 121,208,257.95
Step by Step Solution
- Step 1: Write the proportion equation
161,175,066.06 : 222,415,102.35 = 87,834,633.42 : x - Step 2: Convert to fraction form
161,175,066.06/222,415,102.35 = 87,834,633.42/x - Step 3: Cross multiply
161,175,066.06x = 222,415,102.35 × 87,834,633.42 - Step 4: Simplify right side
161,175,066.06x = 19,535,748,981,984,032 - Step 5: Solve for x
x = 19,535,748,981,984,032/161,175,066.06 - Step 6: Final answer
x = 121,208,257.95
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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.