Finding the Fourth Proportional to 135,174,996.18, 186,545,162.70 and 76,446,443.52
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Solution
The fourth proportional to 135,174,996.18, 186,545,162.70 and 76,446,443.52 is: 105,498,166.43
Step by Step Solution
- Step 1: Write the proportion equation
135,174,996.18 : 186,545,162.70 = 76,446,443.52 : x - Step 2: Convert to fraction form
135,174,996.18/186,545,162.70 = 76,446,443.52/x - Step 3: Cross multiply
135,174,996.18x = 186,545,162.70 × 76,446,443.52 - Step 4: Simplify right side
135,174,996.18x = 14,260,714,244,274,760 - Step 5: Solve for x
x = 14,260,714,244,274,760/135,174,996.18 - Step 6: Final answer
x = 105,498,166.43
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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.