Finding the Fourth Proportional to 68,659,159.94, 94,749,678.99 and 37,721,322.12
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Solution
The fourth proportional to 68,659,159.94, 94,749,678.99 and 37,721,322.12 is: 52,055,445.55
Step by Step Solution
- Step 1: Write the proportion equation
68,659,159.94 : 94,749,678.99 = 37,721,322.12 : x - Step 2: Convert to fraction form
68,659,159.94/94,749,678.99 = 37,721,322.12/x - Step 3: Cross multiply
68,659,159.94x = 94,749,678.99 × 37,721,322.12 - Step 4: Simplify right side
68,659,159.94x = 3,574,083,161,948,386 - Step 5: Solve for x
x = 3,574,083,161,948,386/68,659,159.94 - Step 6: Final answer
x = 52,055,445.55
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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.