Finding the Fourth Proportional to 165,036,771.65, 247,146,547.27 and 121,213,612.26
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Solution
The fourth proportional to 165,036,771.65, 247,146,547.27 and 121,213,612.26 is: 181,520,308.79
Step by Step Solution
- Step 1: Write the proportion equation
165,036,771.65 : 247,146,547.27 = 121,213,612.26 : x - Step 2: Convert to fraction form
165,036,771.65/247,146,547.27 = 121,213,612.26/x - Step 3: Cross multiply
165,036,771.65x = 247,146,547.27 × 121,213,612.26 - Step 4: Simplify right side
165,036,771.65x = 29,957,525,752,183,544 - Step 5: Solve for x
x = 29,957,525,752,183,544/165,036,771.65 - Step 6: Final answer
x = 181,520,308.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.