Finding the Fourth Proportional to 306,686,848.73, 423,226,177.20 and 167,456,614.05
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Solution
The fourth proportional to 306,686,848.73, 423,226,177.20 and 167,456,614.05 is: 231,089,213.33
Step by Step Solution
- Step 1: Write the proportion equation
306,686,848.73 : 423,226,177.20 = 167,456,614.05 : x - Step 2: Convert to fraction form
306,686,848.73/423,226,177.20 = 167,456,614.05/x - Step 3: Cross multiply
306,686,848.73x = 423,226,177.20 × 167,456,614.05 - Step 4: Simplify right side
306,686,848.73x = 70,872,022,611,237,312 - Step 5: Solve for x
x = 70,872,022,611,237,312/306,686,848.73 - Step 6: Final answer
x = 231,089,213.33
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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.