Finding the Fourth Proportional to 94,115,642.68, 129,883,491.54 and 52,299,551.80
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Solution
The fourth proportional to 94,115,642.68, 129,883,491.54 and 52,299,551.80 is: 72,175,551.27
Step by Step Solution
- Step 1: Write the proportion equation
94,115,642.68 : 129,883,491.54 = 52,299,551.80 : x - Step 2: Convert to fraction form
94,115,642.68/129,883,491.54 = 52,299,551.80/x - Step 3: Cross multiply
94,115,642.68x = 129,883,491.54 × 52,299,551.80 - Step 4: Simplify right side
94,115,642.68x = 6,792,848,393,761,092 - Step 5: Solve for x
x = 6,792,848,393,761,092/94,115,642.68 - Step 6: Final answer
x = 72,175,551.27
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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.