Finding the Fourth Proportional to 245,181,073.98, 338,352,230.79 and 135,176,732.22
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Solution
The fourth proportional to 245,181,073.98, 338,352,230.79 and 135,176,732.22 is: 186,545,185.38
Step by Step Solution
- Step 1: Write the proportion equation
245,181,073.98 : 338,352,230.79 = 135,176,732.22 : x - Step 2: Convert to fraction form
245,181,073.98/338,352,230.79 = 135,176,732.22/x - Step 3: Cross multiply
245,181,073.98x = 338,352,230.79 × 135,176,732.22 - Step 4: Simplify right side
245,181,073.98x = 45,737,348,897,539,472 - Step 5: Solve for x
x = 45,737,348,897,539,472/245,181,073.98 - Step 6: Final answer
x = 186,545,185.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.