Finding the Fourth Proportional to 191,052,753.20, 286,579,129.80 and 187,864,107.20
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Solution
The fourth proportional to 191,052,753.20, 286,579,129.80 and 187,864,107.20 is: 281,796,160.80
Step by Step Solution
- Step 1: Write the proportion equation
191,052,753.20 : 286,579,129.80 = 187,864,107.20 : x - Step 2: Convert to fraction form
191,052,753.20/286,579,129.80 = 187,864,107.20/x - Step 3: Cross multiply
191,052,753.20x = 286,579,129.80 × 187,864,107.20 - Step 4: Simplify right side
191,052,753.20x = 53,837,932,362,029,912 - Step 5: Solve for x
x = 53,837,932,362,029,912/191,052,753.20 - Step 6: Final answer
x = 281,796,160.80
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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.