Finding the Fourth Proportional to 71,337,702.70, 107,006,554.05 and 46,678,840.30
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Solution
The fourth proportional to 71,337,702.70, 107,006,554.05 and 46,678,840.30 is: 70,018,260.45
Step by Step Solution
- Step 1: Write the proportion equation
71,337,702.70 : 107,006,554.05 = 46,678,840.30 : x - Step 2: Convert to fraction form
71,337,702.70/107,006,554.05 = 46,678,840.30/x - Step 3: Cross multiply
71,337,702.70x = 107,006,554.05 × 46,678,840.30 - Step 4: Simplify right side
71,337,702.70x = 4,994,941,847,553,268 - Step 5: Solve for x
x = 4,994,941,847,553,268/71,337,702.70 - Step 6: Final answer
x = 70,018,260.45
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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.