Finding the Fourth Proportional to 65,412,268.80, 98,132,765.76 and 19,350,531.84
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Solution
The fourth proportional to 65,412,268.80, 98,132,765.76 and 19,350,531.84 is: 29,030,046.55
Step by Step Solution
- Step 1: Write the proportion equation
65,412,268.80 : 98,132,765.76 = 19,350,531.84 : x - Step 2: Convert to fraction form
65,412,268.80/98,132,765.76 = 19,350,531.84/x - Step 3: Cross multiply
65,412,268.80x = 98,132,765.76 × 19,350,531.84 - Step 4: Simplify right side
65,412,268.80x = 1,898,921,208,386,142 - Step 5: Solve for x
x = 1,898,921,208,386,142/65,412,268.80 - Step 6: Final answer
x = 29,030,046.55
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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.