Finding the Fourth Proportional to 66,377,737.40, 99,559,233.30 and 54,389,564.60
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Solution
The fourth proportional to 66,377,737.40, 99,559,233.30 and 54,389,564.60 is: 81,578,305.67
Step by Step Solution
- Step 1: Write the proportion equation
66,377,737.40 : 99,559,233.30 = 54,389,564.60 : x - Step 2: Convert to fraction form
66,377,737.40/99,559,233.30 = 54,389,564.60/x - Step 3: Cross multiply
66,377,737.40x = 99,559,233.30 × 54,389,564.60 - Step 4: Simplify right side
66,377,737.40x = 5,414,983,351,096,821 - Step 5: Solve for x
x = 5,414,983,351,096,821/66,377,737.40 - Step 6: Final answer
x = 81,578,305.67
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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.