Finding the Fourth Proportional to 201,451,817.40, 302,177,726.10 and 99,194,695.80
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Solution
The fourth proportional to 201,451,817.40, 302,177,726.10 and 99,194,695.80 is: 148,792,043.70
Step by Step Solution
- Step 1: Write the proportion equation
201,451,817.40 : 302,177,726.10 = 99,194,695.80 : x - Step 2: Convert to fraction form
201,451,817.40/302,177,726.10 = 99,194,695.80/x - Step 3: Cross multiply
201,451,817.40x = 302,177,726.10 × 99,194,695.80 - Step 4: Simplify right side
201,451,817.40x = 29,974,427,618,025,220 - Step 5: Solve for x
x = 29,974,427,618,025,220/201,451,817.40 - Step 6: Final answer
x = 148,792,043.70
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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.