Finding the Fourth Proportional to 147,795,274.18, 203,964,587.13 and 81,714,549.70
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Solution
The fourth proportional to 147,795,274.18, 203,964,587.13 and 81,714,549.70 is: 112,770,008.95
Step by Step Solution
- Step 1: Write the proportion equation
147,795,274.18 : 203,964,587.13 = 81,714,549.70 : x - Step 2: Convert to fraction form
147,795,274.18/203,964,587.13 = 81,714,549.70/x - Step 3: Cross multiply
147,795,274.18x = 203,964,587.13 × 81,714,549.70 - Step 4: Simplify right side
147,795,274.18x = 16,666,874,392,074,366 - Step 5: Solve for x
x = 16,666,874,392,074,366/147,795,274.18 - Step 6: Final answer
x = 112,770,008.95
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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.