Finding the Fourth Proportional to 173,868,305.20, 260,802,457.80 and 93,246,737.20
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Solution
The fourth proportional to 173,868,305.20, 260,802,457.80 and 93,246,737.20 is: 139,870,105.80
Step by Step Solution
- Step 1: Write the proportion equation
173,868,305.20 : 260,802,457.80 = 93,246,737.20 : x - Step 2: Convert to fraction form
173,868,305.20/260,802,457.80 = 93,246,737.20/x - Step 3: Cross multiply
173,868,305.20x = 260,802,457.80 × 93,246,737.20 - Step 4: Simplify right side
173,868,305.20x = 24,318,978,243,590,692 - Step 5: Solve for x
x = 24,318,978,243,590,692/173,868,305.20 - Step 6: Final answer
x = 139,870,105.80
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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.