Finding the Fourth Proportional to 121,424,695.92, 167,566,080.40 and 65,670,115.94
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Solution
The fourth proportional to 121,424,695.92, 167,566,080.40 and 65,670,115.94 is: 90,624,760.02
Step by Step Solution
- Step 1: Write the proportion equation
121,424,695.92 : 167,566,080.40 = 65,670,115.94 : x - Step 2: Convert to fraction form
121,424,695.92/167,566,080.40 = 65,670,115.94/x - Step 3: Cross multiply
121,424,695.92x = 167,566,080.40 × 65,670,115.94 - Step 4: Simplify right side
121,424,695.92x = 11,004,083,928,062,452 - Step 5: Solve for x
x = 11,004,083,928,062,452/121,424,695.92 - Step 6: Final answer
x = 90,624,760.02
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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.