Finding the Fourth Proportional to 68,161,048.11, 94,069,053.14 and 40,658,976.36
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Solution
The fourth proportional to 68,161,048.11, 94,069,053.14 and 40,658,976.36 is: 56,113,447.69
Step by Step Solution
- Step 1: Write the proportion equation
68,161,048.11 : 94,069,053.14 = 40,658,976.36 : x - Step 2: Convert to fraction form
68,161,048.11/94,069,053.14 = 40,658,976.36/x - Step 3: Cross multiply
68,161,048.11x = 94,069,053.14 × 40,658,976.36 - Step 4: Simplify right side
68,161,048.11x = 3,824,751,407,623,549 - Step 5: Solve for x
x = 3,824,751,407,623,549/68,161,048.11 - Step 6: Final answer
x = 56,113,447.69
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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.