Finding the Fourth Proportional to 89,134,261.16, 122,975,877.26 and 53,838,878.09
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Solution
The fourth proportional to 89,134,261.16, 122,975,877.26 and 53,838,878.09 is: 74,279,891.68
Step by Step Solution
- Step 1: Write the proportion equation
89,134,261.16 : 122,975,877.26 = 53,838,878.09 : x - Step 2: Convert to fraction form
89,134,261.16/122,975,877.26 = 53,838,878.09/x - Step 3: Cross multiply
89,134,261.16x = 122,975,877.26 × 53,838,878.09 - Step 4: Simplify right side
89,134,261.16x = 6,620,883,263,542,749 - Step 5: Solve for x
x = 6,620,883,263,542,749/89,134,261.16 - Step 6: Final answer
x = 74,279,891.68
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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.