Finding the Fourth Proportional to 144,650,634.84, 199,634,435.28 and 81,088,141.48
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Solution
The fourth proportional to 144,650,634.84, 199,634,435.28 and 81,088,141.48 is: 111,910,917.99
Step by Step Solution
- Step 1: Write the proportion equation
144,650,634.84 : 199,634,435.28 = 81,088,141.48 : x - Step 2: Convert to fraction form
144,650,634.84/199,634,435.28 = 81,088,141.48/x - Step 3: Cross multiply
144,650,634.84x = 199,634,435.28 × 81,088,141.48 - Step 4: Simplify right side
144,650,634.84x = 16,187,985,332,835,898 - Step 5: Solve for x
x = 16,187,985,332,835,898/144,650,634.84 - Step 6: Final answer
x = 111,910,917.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.