Finding the Fourth Proportional to 197,278,320.65, 272,244,612.06 and 109,178,393.63
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Solution
The fourth proportional to 197,278,320.65, 272,244,612.06 and 109,178,393.63 is: 150,666,476.28
Step by Step Solution
- Step 1: Write the proportion equation
197,278,320.65 : 272,244,612.06 = 109,178,393.63 : x - Step 2: Convert to fraction form
197,278,320.65/272,244,612.06 = 109,178,393.63/x - Step 3: Cross multiply
197,278,320.65x = 272,244,612.06 × 109,178,393.63 - Step 4: Simplify right side
197,278,320.65x = 29,723,229,417,772,104 - Step 5: Solve for x
x = 29,723,229,417,772,104/197,278,320.65 - Step 6: Final answer
x = 150,666,476.28
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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.