Finding the Fourth Proportional to 220,203,005.68, 303,885,143.24 and 121,089,259.12
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Solution
The fourth proportional to 220,203,005.68, 303,885,143.24 and 121,089,259.12 is: 167,105,924.55
Step by Step Solution
- Step 1: Write the proportion equation
220,203,005.68 : 303,885,143.24 = 121,089,259.12 : x - Step 2: Convert to fraction form
220,203,005.68/303,885,143.24 = 121,089,259.12/x - Step 3: Cross multiply
220,203,005.68x = 303,885,143.24 × 121,089,259.12 - Step 4: Simplify right side
220,203,005.68x = 36,797,226,852,506,680 - Step 5: Solve for x
x = 36,797,226,852,506,680/220,203,005.68 - Step 6: Final answer
x = 167,105,924.55
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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.