Finding the Fourth Proportional to 306,686,844.24, 423,226,171.01 and 167,456,609.55
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Solution
The fourth proportional to 306,686,844.24, 423,226,171.01 and 167,456,609.55 is: 231,089,207.12
Step by Step Solution
- Step 1: Write the proportion equation
306,686,844.24 : 423,226,171.01 = 167,456,609.55 : x - Step 2: Convert to fraction form
306,686,844.24/423,226,171.01 = 167,456,609.55/x - Step 3: Cross multiply
306,686,844.24x = 423,226,171.01 × 167,456,609.55 - Step 4: Simplify right side
306,686,844.24x = 70,872,019,669,637,296 - Step 5: Solve for x
x = 70,872,019,669,637,296/306,686,844.24 - Step 6: Final answer
x = 231,089,207.12
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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.