Finding the Fourth Proportional to 122,222,560.72, 168,625,812 and 69,293,590.24
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Solution
The fourth proportional to 122,222,560.72, 168,625,812 and 69,293,590.24 is: 95,601,727.31
Step by Step Solution
- Step 1: Write the proportion equation
122,222,560.72 : 168,625,812 = 69,293,590.24 : x - Step 2: Convert to fraction form
122,222,560.72/168,625,812 = 69,293,590.24/x - Step 3: Cross multiply
122,222,560.72x = 168,625,812 × 69,293,590.24 - Step 4: Simplify right side
122,222,560.72x = 11,684,687,920,615,274 - Step 5: Solve for x
x = 11,684,687,920,615,274/122,222,560.72 - Step 6: Final answer
x = 95,601,727.31
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1.5x scale
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.