Finding the Fourth Proportional to 206,277,363.92, 309,451,297.08 and 85,042,542.80
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Solution
The fourth proportional to 206,277,363.92, 309,451,297.08 and 85,042,542.80 is: 127,578,347.31
Step by Step Solution
- Step 1: Write the proportion equation
206,277,363.92 : 309,451,297.08 = 85,042,542.80 : x - Step 2: Convert to fraction form
206,277,363.92/309,451,297.08 = 85,042,542.80/x - Step 3: Cross multiply
206,277,363.92x = 309,451,297.08 × 85,042,542.80 - Step 4: Simplify right side
206,277,363.92x = 26,316,525,176,441,412 - Step 5: Solve for x
x = 26,316,525,176,441,412/206,277,363.92 - Step 6: Final answer
x = 127,578,347.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.