Finding the Fourth Proportional to 56,657,234.70, 84,985,852.05 and 51,933,314.70
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Solution
The fourth proportional to 56,657,234.70, 84,985,852.05 and 51,933,314.70 is: 77,899,972.05
Step by Step Solution
- Step 1: Write the proportion equation
56,657,234.70 : 84,985,852.05 = 51,933,314.70 : x - Step 2: Convert to fraction form
56,657,234.70/84,985,852.05 = 51,933,314.70/x - Step 3: Cross multiply
56,657,234.70x = 84,985,852.05 × 51,933,314.70 - Step 4: Simplify right side
56,657,234.70x = 4,413,596,999,560,290 - Step 5: Solve for x
x = 4,413,596,999,560,290/56,657,234.70 - Step 6: Final answer
x = 77,899,972.05
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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.