Finding the Fourth Proportional to 161,838,974.60, 242,758,461.90 and 160,705,233.80
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Solution
The fourth proportional to 161,838,974.60, 242,758,461.90 and 160,705,233.80 is: 241,057,850.70
Step by Step Solution
- Step 1: Write the proportion equation
161,838,974.60 : 242,758,461.90 = 160,705,233.80 : x - Step 2: Convert to fraction form
161,838,974.60/242,758,461.90 = 160,705,233.80/x - Step 3: Cross multiply
161,838,974.60x = 242,758,461.90 × 160,705,233.80 - Step 4: Simplify right side
161,838,974.60x = 39,012,555,376,567,896 - Step 5: Solve for x
x = 39,012,555,376,567,896/161,838,974.60 - Step 6: Final answer
x = 241,057,850.70
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1.5x scale
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.