Finding the Fourth Proportional to 65,405,382.12, 98,122,438.68 and 19,343,660.04
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Solution
The fourth proportional to 65,405,382.12, 98,122,438.68 and 19,343,660.04 is: 29,019,738.66
Step by Step Solution
- Step 1: Write the proportion equation
65,405,382.12 : 98,122,438.68 = 19,343,660.04 : x - Step 2: Convert to fraction form
65,405,382.12/98,122,438.68 = 19,343,660.04/x - Step 3: Cross multiply
65,405,382.12x = 98,122,438.68 × 19,343,660.04 - Step 4: Simplify right side
65,405,382.12x = 1,898,047,096,121,666.50 - Step 5: Solve for x
x = 1,898,047,096,121,666.50/65,405,382.12 - Step 6: Final answer
x = 29,019,738.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.