Finding the Fourth Proportional to 122,474,701.90, 183,712,052.85 and 91,863,700.30
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Solution
The fourth proportional to 122,474,701.90, 183,712,052.85 and 91,863,700.30 is: 137,795,550.45
Step by Step Solution
- Step 1: Write the proportion equation
122,474,701.90 : 183,712,052.85 = 91,863,700.30 : x - Step 2: Convert to fraction form
122,474,701.90/183,712,052.85 = 91,863,700.30/x - Step 3: Cross multiply
122,474,701.90x = 183,712,052.85 × 91,863,700.30 - Step 4: Simplify right side
122,474,701.90x = 16,876,468,964,510,160 - Step 5: Solve for x
x = 16,876,468,964,510,160/122,474,701.90 - Step 6: Final answer
x = 137,795,550.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.