Finding the Fourth Proportional to 71,135,089.16, 98,112,261.37 and 61,228,832.09
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Solution
The fourth proportional to 71,135,089.16, 98,112,261.37 and 61,228,832.09 is: 84,449,169.15
Step by Step Solution
- Step 1: Write the proportion equation
71,135,089.16 : 98,112,261.37 = 61,228,832.09 : x - Step 2: Convert to fraction form
71,135,089.16/98,112,261.37 = 61,228,832.09/x - Step 3: Cross multiply
71,135,089.16x = 98,112,261.37 × 61,228,832.09 - Step 4: Simplify right side
71,135,089.16x = 6,007,299,177,486,132 - Step 5: Solve for x
x = 6,007,299,177,486,132/71,135,089.16 - Step 6: Final answer
x = 84,449,169.15
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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.