Finding the Fourth Proportional to 202,292,964.12, 279,163,264.15 and 109,473,471.97
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Solution
The fourth proportional to 202,292,964.12, 279,163,264.15 and 109,473,471.97 is: 151,072,835.90
Step by Step Solution
- Step 1: Write the proportion equation
202,292,964.12 : 279,163,264.15 = 109,473,471.97 : x - Step 2: Convert to fraction form
202,292,964.12/279,163,264.15 = 109,473,471.97/x - Step 3: Cross multiply
202,292,964.12x = 279,163,264.15 × 109,473,471.97 - Step 4: Simplify right side
202,292,964.12x = 30,560,971,772,978,728 - Step 5: Solve for x
x = 30,560,971,772,978,728/202,292,964.12 - Step 6: Final answer
x = 151,072,835.90
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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.