Finding the Fourth Proportional to 92,643,663.74, 138,966,493.42 and 27,948,029.30
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Solution
The fourth proportional to 92,643,663.74, 138,966,493.42 and 27,948,029.30 is: 41,922,344.96
Step by Step Solution
- Step 1: Write the proportion equation
92,643,663.74 : 138,966,493.42 = 27,948,029.30 : x - Step 2: Convert to fraction form
92,643,663.74/138,966,493.42 = 27,948,029.30/x - Step 3: Cross multiply
92,643,663.74x = 138,966,493.42 × 27,948,029.30 - Step 4: Simplify right side
92,643,663.74x = 3,883,839,629,681,643.50 - Step 5: Solve for x
x = 3,883,839,629,681,643.50/92,643,663.74 - Step 6: Final answer
x = 41,922,344.96
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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.