Finding the Fourth Proportional to 245,902,722.87, 339,346,088.24 and 141,478,699.80
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Solution
The fourth proportional to 245,902,722.87, 339,346,088.24 and 141,478,699.80 is: 195,240,795.98
Step by Step Solution
- Step 1: Write the proportion equation
245,902,722.87 : 339,346,088.24 = 141,478,699.80 : x - Step 2: Convert to fraction form
245,902,722.87/339,346,088.24 = 141,478,699.80/x - Step 3: Cross multiply
245,902,722.87x = 339,346,088.24 × 141,478,699.80 - Step 4: Simplify right side
245,902,722.87x = 48,010,243,345,703,880 - Step 5: Solve for x
x = 48,010,243,345,703,880/245,902,722.87 - Step 6: Final answer
x = 195,240,795.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.