Finding the Fourth Proportional to 172,369,405.10, 258,554,107.65 and 57,365,572.70
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Solution
The fourth proportional to 172,369,405.10, 258,554,107.65 and 57,365,572.70 is: 86,048,359.05
Step by Step Solution
- Step 1: Write the proportion equation
172,369,405.10 : 258,554,107.65 = 57,365,572.70 : x - Step 2: Convert to fraction form
172,369,405.10/258,554,107.65 = 57,365,572.70/x - Step 3: Cross multiply
172,369,405.10x = 258,554,107.65 × 57,365,572.70 - Step 4: Simplify right side
172,369,405.10x = 14,832,104,459,279,702 - Step 5: Solve for x
x = 14,832,104,459,279,702/172,369,405.10 - Step 6: Final answer
x = 86,048,359.05
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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.