Finding the Fourth Proportional to 138,169,110.66, 190,593,440.56 and 89,276,538.66
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Solution
The fourth proportional to 138,169,110.66, 190,593,440.56 and 89,276,538.66 is: 123,149,976.02
Step by Step Solution
- Step 1: Write the proportion equation
138,169,110.66 : 190,593,440.56 = 89,276,538.66 : x - Step 2: Convert to fraction form
138,169,110.66/190,593,440.56 = 89,276,538.66/x - Step 3: Cross multiply
138,169,110.66x = 190,593,440.56 × 89,276,538.66 - Step 4: Simplify right side
138,169,110.66x = 17,015,522,664,497,252 - Step 5: Solve for x
x = 17,015,522,664,497,252/138,169,110.66 - Step 6: Final answer
x = 123,149,976.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.