Finding the Fourth Proportional to 173,915,457.57, 260,915,893.88 and 86,518,211.49
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Solution
The fourth proportional to 173,915,457.57, 260,915,893.88 and 86,518,211.49 is: 129,798,563.07
Step by Step Solution
- Step 1: Write the proportion equation
173,915,457.57 : 260,915,893.88 = 86,518,211.49 : x - Step 2: Convert to fraction form
173,915,457.57/260,915,893.88 = 86,518,211.49/x - Step 3: Cross multiply
173,915,457.57x = 260,915,893.88 × 86,518,211.49 - Step 4: Simplify right side
173,915,457.57x = 22,573,976,487,379,644 - Step 5: Solve for x
x = 22,573,976,487,379,644/173,915,457.57 - Step 6: Final answer
x = 129,798,563.07
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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.