Finding the Fourth Proportional to 79,261,634.96, 109,279,824 and 51,335,012.24
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Solution
The fourth proportional to 79,261,634.96, 109,279,824 and 51,335,012.24 is: 70,776,752.28
Step by Step Solution
- Step 1: Write the proportion equation
79,261,634.96 : 109,279,824 = 51,335,012.24 : x - Step 2: Convert to fraction form
79,261,634.96/109,279,824 = 51,335,012.24/x - Step 3: Cross multiply
79,261,634.96x = 109,279,824 × 51,335,012.24 - Step 4: Simplify right side
79,261,634.96x = 5,609,881,102,625,046 - Step 5: Solve for x
x = 5,609,881,102,625,046/79,261,634.96 - Step 6: Final answer
x = 70,776,752.28
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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.