Finding the Fourth Proportional to 121,561,629.30, 167,771,777.04 and 74,546,815.50
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Solution
The fourth proportional to 121,561,629.30, 167,771,777.04 and 74,546,815.50 is: 102,884,864.09
Step by Step Solution
- Step 1: Write the proportion equation
121,561,629.30 : 167,771,777.04 = 74,546,815.50 : x - Step 2: Convert to fraction form
121,561,629.30/167,771,777.04 = 74,546,815.50/x - Step 3: Cross multiply
121,561,629.30x = 167,771,777.04 × 74,546,815.50 - Step 4: Simplify right side
121,561,629.30x = 12,506,851,709,108,016 - Step 5: Solve for x
x = 12,506,851,709,108,016/121,561,629.30 - Step 6: Final answer
x = 102,884,864.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.