Finding the Fourth Proportional to 134,805,646.20, 202,208,469.30 and 88,889,143.80
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Solution
The fourth proportional to 134,805,646.20, 202,208,469.30 and 88,889,143.80 is: 133,333,715.70
Step by Step Solution
- Step 1: Write the proportion equation
134,805,646.20 : 202,208,469.30 = 88,889,143.80 : x - Step 2: Convert to fraction form
134,805,646.20/202,208,469.30 = 88,889,143.80/x - Step 3: Cross multiply
134,805,646.20x = 202,208,469.30 × 88,889,143.80 - Step 4: Simplify right side
134,805,646.20x = 17,974,137,705,185,586 - Step 5: Solve for x
x = 17,974,137,705,185,586/134,805,646.20 - Step 6: Final answer
x = 133,333,715.70
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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.