Finding the Fourth Proportional to 67,677,851.76, 101,555,171.84 and 36,553,123.84
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Solution
The fourth proportional to 67,677,851.76, 101,555,171.84 and 36,553,123.84 is: 54,850,422.65
Step by Step Solution
- Step 1: Write the proportion equation
67,677,851.76 : 101,555,171.84 = 36,553,123.84 : x - Step 2: Convert to fraction form
67,677,851.76/101,555,171.84 = 36,553,123.84/x - Step 3: Cross multiply
67,677,851.76x = 101,555,171.84 × 36,553,123.84 - Step 4: Simplify right side
67,677,851.76x = 3,712,158,772,860,001 - Step 5: Solve for x
x = 3,712,158,772,860,001/67,677,851.76 - Step 6: Final answer
x = 54,850,422.65
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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.