Finding the Fourth Proportional to 85,725,400.69, 118,304,304.77 and 48,049,261.02
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Solution
The fourth proportional to 85,725,400.69, 118,304,304.77 and 48,049,261.02 is: 66,309,802.86
Step by Step Solution
- Step 1: Write the proportion equation
85,725,400.69 : 118,304,304.77 = 48,049,261.02 : x - Step 2: Convert to fraction form
85,725,400.69/118,304,304.77 = 48,049,261.02/x - Step 3: Cross multiply
85,725,400.69x = 118,304,304.77 × 48,049,261.02 - Step 4: Simplify right side
85,725,400.69x = 5,684,434,419,450,176 - Step 5: Solve for x
x = 5,684,434,419,450,176/85,725,400.69 - Step 6: Final answer
x = 66,309,802.86
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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.