Finding the Fourth Proportional to 123,236,417.68, 170,071,570.74 and 68,232,274
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Solution
The fourth proportional to 123,236,417.68, 170,071,570.74 and 68,232,274 is: 94,163,480.51
Step by Step Solution
- Step 1: Write the proportion equation
123,236,417.68 : 170,071,570.74 = 68,232,274 : x - Step 2: Convert to fraction form
123,236,417.68/170,071,570.74 = 68,232,274/x - Step 3: Cross multiply
123,236,417.68x = 170,071,570.74 × 68,232,274 - Step 4: Simplify right side
123,236,417.68x = 11,604,370,014,342,064 - Step 5: Solve for x
x = 11,604,370,014,342,064/123,236,417.68 - Step 6: Final answer
x = 94,163,480.51
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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.