Finding the Fourth Proportional to 205,013,705.99, 307,534,195.29 and 72,050,480.82
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Solution
The fourth proportional to 205,013,705.99, 307,534,195.29 and 72,050,480.82 is: 108,080,513.61
Step by Step Solution
- Step 1: Write the proportion equation
205,013,705.99 : 307,534,195.29 = 72,050,480.82 : x - Step 2: Convert to fraction form
205,013,705.99/307,534,195.29 = 72,050,480.82/x - Step 3: Cross multiply
205,013,705.99x = 307,534,195.29 × 72,050,480.82 - Step 4: Simplify right side
205,013,705.99x = 22,157,986,639,236,280 - Step 5: Solve for x
x = 22,157,986,639,236,280/205,013,705.99 - Step 6: Final answer
x = 108,080,513.61
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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.