Finding the Fourth Proportional to 201,676,877.45, 302,515,316.18 and 197,197,901.45
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Solution
The fourth proportional to 201,676,877.45, 302,515,316.18 and 197,197,901.45 is: 295,796,852.18
Step by Step Solution
- Step 1: Write the proportion equation
201,676,877.45 : 302,515,316.18 = 197,197,901.45 : x - Step 2: Convert to fraction form
201,676,877.45/302,515,316.18 = 197,197,901.45/x - Step 3: Cross multiply
201,676,877.45x = 302,515,316.18 × 197,197,901.45 - Step 4: Simplify right side
201,676,877.45x = 59,655,385,507,179,232 - Step 5: Solve for x
x = 59,655,385,507,179,232/201,676,877.45 - Step 6: Final answer
x = 295,796,852.18
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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.