Finding the Fourth Proportional to 86,576,233.19, 129,865,190.54 and 69,261,419.48
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Solution
The fourth proportional to 86,576,233.19, 129,865,190.54 and 69,261,419.48 is: 103,892,801.82
Step by Step Solution
- Step 1: Write the proportion equation
86,576,233.19 : 129,865,190.54 = 69,261,419.48 : x - Step 2: Convert to fraction form
86,576,233.19/129,865,190.54 = 69,261,419.48/x - Step 3: Cross multiply
86,576,233.19x = 129,865,190.54 × 69,261,419.48 - Step 4: Simplify right side
86,576,233.19x = 8,994,647,436,845,434 - Step 5: Solve for x
x = 8,994,647,436,845,434/86,576,233.19 - Step 6: Final answer
x = 103,892,801.82
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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.