Finding the Fourth Proportional to 57,270,364.75, 79,033,116.36 and 31,516,252.75
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Solution
The fourth proportional to 57,270,364.75, 79,033,116.36 and 31,516,252.75 is: 43,492,435.95
Step by Step Solution
- Step 1: Write the proportion equation
57,270,364.75 : 79,033,116.36 = 31,516,252.75 : x - Step 2: Convert to fraction form
57,270,364.75/79,033,116.36 = 31,516,252.75/x - Step 3: Cross multiply
57,270,364.75x = 79,033,116.36 × 31,516,252.75 - Step 4: Simplify right side
57,270,364.75x = 2,490,827,670,821,920 - Step 5: Solve for x
x = 2,490,827,670,821,920/57,270,364.75 - Step 6: Final answer
x = 43,492,435.95
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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.