Finding the Fourth Proportional to 107,232,001.80, 160,848,002.70 and 76,998,913.80
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Solution
The fourth proportional to 107,232,001.80, 160,848,002.70 and 76,998,913.80 is: 115,498,370.70
Step by Step Solution
- Step 1: Write the proportion equation
107,232,001.80 : 160,848,002.70 = 76,998,913.80 : x - Step 2: Convert to fraction form
107,232,001.80/160,848,002.70 = 76,998,913.80/x - Step 3: Cross multiply
107,232,001.80x = 160,848,002.70 × 76,998,913.80 - Step 4: Simplify right side
107,232,001.80x = 12,385,121,494,799,466 - Step 5: Solve for x
x = 12,385,121,494,799,466/107,232,001.80 - Step 6: Final answer
x = 115,498,370.70
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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.