Finding the Fourth Proportional to 47,804,564.70, 71,706,847.05 and 43,818,757.20
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Solution
The fourth proportional to 47,804,564.70, 71,706,847.05 and 43,818,757.20 is: 65,728,135.80
Step by Step Solution
- Step 1: Write the proportion equation
47,804,564.70 : 71,706,847.05 = 43,818,757.20 : x - Step 2: Convert to fraction form
47,804,564.70/71,706,847.05 = 43,818,757.20/x - Step 3: Cross multiply
47,804,564.70x = 71,706,847.05 × 43,818,757.20 - Step 4: Simplify right side
47,804,564.70x = 3,142,104,920,461,486.50 - Step 5: Solve for x
x = 3,142,104,920,461,486.50/47,804,564.70 - Step 6: Final answer
x = 65,728,135.80
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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.