Finding the Fourth Proportional to 70,883,651.70, 106,325,477.55 and 53,877,539.70
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Solution
The fourth proportional to 70,883,651.70, 106,325,477.55 and 53,877,539.70 is: 80,816,309.55
Step by Step Solution
- Step 1: Write the proportion equation
70,883,651.70 : 106,325,477.55 = 53,877,539.70 : x - Step 2: Convert to fraction form
70,883,651.70/106,325,477.55 = 53,877,539.70/x - Step 3: Cross multiply
70,883,651.70x = 106,325,477.55 × 53,877,539.70 - Step 4: Simplify right side
70,883,651.70x = 5,728,555,137,821,584 - Step 5: Solve for x
x = 5,728,555,137,821,584/70,883,651.70 - Step 6: Final answer
x = 80,816,309.55
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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.