Finding the Fourth Proportional to 191,353,181.94, 286,796,586.66 and 99,186,107.46
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Solution
The fourth proportional to 191,353,181.94, 286,796,586.66 and 99,186,107.46 is: 148,658,291.31
Step by Step Solution
- Step 1: Write the proportion equation
191,353,181.94 : 286,796,586.66 = 99,186,107.46 : x - Step 2: Convert to fraction form
191,353,181.94/286,796,586.66 = 99,186,107.46/x - Step 3: Cross multiply
191,353,181.94x = 286,796,586.66 × 99,186,107.46 - Step 4: Simplify right side
191,353,181.94x = 28,446,237,063,619,964 - Step 5: Solve for x
x = 28,446,237,063,619,964/191,353,181.94 - Step 6: Final answer
x = 148,658,291.31
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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.