Finding the Fourth Proportional to 220,064,717.40, 329,887,124.10 and 81,853,315.80
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Solution
The fourth proportional to 220,064,717.40, 329,887,124.10 and 81,853,315.80 is: 122,701,881.82
Step by Step Solution
- Step 1: Write the proportion equation
220,064,717.40 : 329,887,124.10 = 81,853,315.80 : x - Step 2: Convert to fraction form
220,064,717.40/329,887,124.10 = 81,853,315.80/x - Step 3: Cross multiply
220,064,717.40x = 329,887,124.10 × 81,853,315.80 - Step 4: Simplify right side
220,064,717.40x = 27,002,354,947,311,092 - Step 5: Solve for x
x = 27,002,354,947,311,092/220,064,717.40 - Step 6: Final answer
x = 122,701,881.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.