Finding the Fourth Proportional to 122,052,434.73, 168,476,557.55 and 80,812,613.13
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Solution
The fourth proportional to 122,052,434.73, 168,476,557.55 and 80,812,613.13 is: 111,550,669.98
Step by Step Solution
- Step 1: Write the proportion equation
122,052,434.73 : 168,476,557.55 = 80,812,613.13 : x - Step 2: Convert to fraction form
122,052,434.73/168,476,557.55 = 80,812,613.13/x - Step 3: Cross multiply
122,052,434.73x = 168,476,557.55 × 80,812,613.13 - Step 4: Simplify right side
122,052,434.73x = 13,615,030,866,358,266 - Step 5: Solve for x
x = 13,615,030,866,358,266/122,052,434.73 - Step 6: Final answer
x = 111,550,669.98
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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.