Finding the Fourth Proportional to 152,415,716.02, 227,471,760.06 and 137,705,881.12
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Solution
The fourth proportional to 152,415,716.02, 227,471,760.06 and 137,705,881.12 is: 205,518,170.74
Step by Step Solution
- Step 1: Write the proportion equation
152,415,716.02 : 227,471,760.06 = 137,705,881.12 : x - Step 2: Convert to fraction form
152,415,716.02/227,471,760.06 = 137,705,881.12/x - Step 3: Cross multiply
152,415,716.02x = 227,471,760.06 × 137,705,881.12 - Step 4: Simplify right side
152,415,716.02x = 31,324,199,148,979,524 - Step 5: Solve for x
x = 31,324,199,148,979,524/152,415,716.02 - Step 6: Final answer
x = 205,518,170.74
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.