Finding the Fourth Proportional to 127,974,813.80, 191,962,220.70 and 32,236,701.80
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Solution
The fourth proportional to 127,974,813.80, 191,962,220.70 and 32,236,701.80 is: 48,355,052.70
Step by Step Solution
- Step 1: Write the proportion equation
127,974,813.80 : 191,962,220.70 = 32,236,701.80 : x - Step 2: Convert to fraction form
127,974,813.80/191,962,220.70 = 32,236,701.80/x - Step 3: Cross multiply
127,974,813.80x = 191,962,220.70 × 32,236,701.80 - Step 4: Simplify right side
127,974,813.80x = 6,188,228,865,571,687 - Step 5: Solve for x
x = 6,188,228,865,571,687/127,974,813.80 - Step 6: Final answer
x = 48,355,052.70
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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.