Finding the Fourth Proportional to 54,438,991.44, 81,649,629.80 and 22,089,587.28
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Solution
The fourth proportional to 54,438,991.44, 81,649,629.80 and 22,089,587.28 is: 33,130,786.89
Step by Step Solution
- Step 1: Write the proportion equation
54,438,991.44 : 81,649,629.80 = 22,089,587.28 : x - Step 2: Convert to fraction form
54,438,991.44/81,649,629.80 = 22,089,587.28/x - Step 3: Cross multiply
54,438,991.44x = 81,649,629.80 × 22,089,587.28 - Step 4: Simplify right side
54,438,991.44x = 1,803,606,623,846,789 - Step 5: Solve for x
x = 1,803,606,623,846,789/54,438,991.44 - Step 6: Final answer
x = 33,130,786.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.