Finding the Fourth Proportional to 126,369,726.48, 189,624,534.84 and 61,674,067.44
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Solution
The fourth proportional to 126,369,726.48, 189,624,534.84 and 61,674,067.44 is: 92,545,237.50
Step by Step Solution
- Step 1: Write the proportion equation
126,369,726.48 : 189,624,534.84 = 61,674,067.44 : x - Step 2: Convert to fraction form
126,369,726.48/189,624,534.84 = 61,674,067.44/x - Step 3: Cross multiply
126,369,726.48x = 189,624,534.84 × 61,674,067.44 - Step 4: Simplify right side
126,369,726.48x = 11,694,916,350,000,790 - Step 5: Solve for x
x = 11,694,916,350,000,790/126,369,726.48 - Step 6: Final answer
x = 92,545,237.50
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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.