Finding the Fourth Proportional to 118,497,646.52, 163,533,108.49 and 66,283,568.27
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Solution
The fourth proportional to 118,497,646.52, 163,533,108.49 and 66,283,568.27 is: 91,474,879.70
Step by Step Solution
- Step 1: Write the proportion equation
118,497,646.52 : 163,533,108.49 = 66,283,568.27 : x - Step 2: Convert to fraction form
118,497,646.52/163,533,108.49 = 66,283,568.27/x - Step 3: Cross multiply
118,497,646.52x = 163,533,108.49 × 66,283,568.27 - Step 4: Simplify right side
118,497,646.52x = 10,839,557,960,018,858 - Step 5: Solve for x
x = 10,839,557,960,018,858/118,497,646.52 - Step 6: Final answer
x = 91,474,879.70
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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.