Finding the Fourth Proportional to 132,915,104.58, 183,415,191.55 and 74,173,159.38
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Solution
The fourth proportional to 132,915,104.58, 183,415,191.55 and 74,173,159.38 is: 102,354,689.32
Step by Step Solution
- Step 1: Write the proportion equation
132,915,104.58 : 183,415,191.55 = 74,173,159.38 : x - Step 2: Convert to fraction form
132,915,104.58/183,415,191.55 = 74,173,159.38/x - Step 3: Cross multiply
132,915,104.58x = 183,415,191.55 × 74,173,159.38 - Step 4: Simplify right side
132,915,104.58x = 13,604,484,235,551,380 - Step 5: Solve for x
x = 13,604,484,235,551,380/132,915,104.58 - Step 6: Final answer
x = 102,354,689.32
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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.