Finding the Fourth Proportional to 84,613,475.08, 116,723,621.94 and 55,261,988.65
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Solution
The fourth proportional to 84,613,475.08, 116,723,621.94 and 55,261,988.65 is: 76,233,477.76
Step by Step Solution
- Step 1: Write the proportion equation
84,613,475.08 : 116,723,621.94 = 55,261,988.65 : x - Step 2: Convert to fraction form
84,613,475.08/116,723,621.94 = 55,261,988.65/x - Step 3: Cross multiply
84,613,475.08x = 116,723,621.94 × 55,261,988.65 - Step 4: Simplify right side
84,613,475.08x = 6,450,379,470,912,261 - Step 5: Solve for x
x = 6,450,379,470,912,261/84,613,475.08 - Step 6: Final answer
x = 76,233,477.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.