Finding the Fourth Proportional to 71,051,276.16, 98,040,326.16 and 39,685,460.76
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Solution
The fourth proportional to 71,051,276.16, 98,040,326.16 and 39,685,460.76 is: 54,760,107.45
Step by Step Solution
- Step 1: Write the proportion equation
71,051,276.16 : 98,040,326.16 = 39,685,460.76 : x - Step 2: Convert to fraction form
71,051,276.16/98,040,326.16 = 39,685,460.76/x - Step 3: Cross multiply
71,051,276.16x = 98,040,326.16 × 39,685,460.76 - Step 4: Simplify right side
71,051,276.16x = 3,890,775,516,720,281 - Step 5: Solve for x
x = 3,890,775,516,720,281/71,051,276.16 - Step 6: Final answer
x = 54,760,107.45
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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.