Finding the Fourth Proportional to 71,135,089.67, 98,112,262.06 and 61,228,832.60
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Solution
The fourth proportional to 71,135,089.67, 98,112,262.06 and 61,228,832.60 is: 84,449,169.84
Step by Step Solution
- Step 1: Write the proportion equation
71,135,089.67 : 98,112,262.06 = 61,228,832.60 : x - Step 2: Convert to fraction form
71,135,089.67/98,112,262.06 = 61,228,832.60/x - Step 3: Cross multiply
71,135,089.67x = 98,112,262.06 × 61,228,832.60 - Step 4: Simplify right side
71,135,089.67x = 6,007,299,268,882,366 - Step 5: Solve for x
x = 6,007,299,268,882,366/71,135,089.67 - Step 6: Final answer
x = 84,449,169.84
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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.