Finding the Fourth Proportional to 76,746,763.98, 115,179,842.97 and 53,567,112.78
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Solution
The fourth proportional to 76,746,763.98, 115,179,842.97 and 53,567,112.78 is: 80,392,336.02
Step by Step Solution
- Step 1: Write the proportion equation
76,746,763.98 : 115,179,842.97 = 53,567,112.78 : x - Step 2: Convert to fraction form
76,746,763.98/115,179,842.97 = 53,567,112.78/x - Step 3: Cross multiply
76,746,763.98x = 115,179,842.97 × 53,567,112.78 - Step 4: Simplify right side
76,746,763.98x = 6,169,851,638,356,680 - Step 5: Solve for x
x = 6,169,851,638,356,680/76,746,763.98 - Step 6: Final answer
x = 80,392,336.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.