Finding the Fourth Proportional to 163,885,821.80, 245,828,732.70 and 163,885,821.80
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Solution
The fourth proportional to 163,885,821.80, 245,828,732.70 and 163,885,821.80 is: 245,828,732.70
Step by Step Solution
- Step 1: Write the proportion equation
163,885,821.80 : 245,828,732.70 = 163,885,821.80 : x - Step 2: Convert to fraction form
163,885,821.80/245,828,732.70 = 163,885,821.80/x - Step 3: Cross multiply
163,885,821.80x = 245,828,732.70 × 163,885,821.80 - Step 4: Simplify right side
163,885,821.80x = 40,287,843,880,592,032 - Step 5: Solve for x
x = 40,287,843,880,592,032/163,885,821.80 - Step 6: Final answer
x = 245,828,732.70
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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.