Finding the Fourth Proportional to 126,369,657.98, 189,624,432.09 and 61,673,998.94
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Solution
The fourth proportional to 126,369,657.98, 189,624,432.09 and 61,673,998.94 is: 92,545,134.73
Step by Step Solution
- Step 1: Write the proportion equation
126,369,657.98 : 189,624,432.09 = 61,673,998.94 : x - Step 2: Convert to fraction form
126,369,657.98/189,624,432.09 = 61,673,998.94/x - Step 3: Cross multiply
126,369,657.98x = 189,624,432.09 × 61,673,998.94 - Step 4: Simplify right side
126,369,657.98x = 11,694,897,023,716,762 - Step 5: Solve for x
x = 11,694,897,023,716,762/126,369,657.98 - Step 6: Final answer
x = 92,545,134.73
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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.