Finding the Fourth Proportional to 301,076,811.12, 415,511,041.68 and 167,127,334.80
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Solution
The fourth proportional to 301,076,811.12, 415,511,041.68 and 167,127,334.80 is: 230,649,622.99
Step by Step Solution
- Step 1: Write the proportion equation
301,076,811.12 : 415,511,041.68 = 167,127,334.80 : x - Step 2: Convert to fraction form
301,076,811.12/415,511,041.68 = 167,127,334.80/x - Step 3: Cross multiply
301,076,811.12x = 415,511,041.68 × 167,127,334.80 - Step 4: Simplify right side
301,076,811.12x = 69,443,252,975,950,120 - Step 5: Solve for x
x = 69,443,252,975,950,120/301,076,811.12 - Step 6: Final answer
x = 230,649,622.99
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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.