Finding the Fourth Proportional to 84,259,145.43, 116,281,211.74 and 47,089,424.62
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Solution
The fourth proportional to 84,259,145.43, 116,281,211.74 and 47,089,424.62 is: 64,985,412.88
Step by Step Solution
- Step 1: Write the proportion equation
84,259,145.43 : 116,281,211.74 = 47,089,424.62 : x - Step 2: Convert to fraction form
84,259,145.43/116,281,211.74 = 47,089,424.62/x - Step 3: Cross multiply
84,259,145.43x = 116,281,211.74 × 47,089,424.62 - Step 4: Simplify right side
84,259,145.43x = 5,475,615,354,544,562 - Step 5: Solve for x
x = 5,475,615,354,544,562/84,259,145.43 - Step 6: Final answer
x = 64,985,412.88
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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.