Finding the Fourth Proportional to 106,473,735.40, 146,934,197.70 and 57,581,163.40
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Solution
The fourth proportional to 106,473,735.40, 146,934,197.70 and 57,581,163.40 is: 79,462,244.98
Step by Step Solution
- Step 1: Write the proportion equation
106,473,735.40 : 146,934,197.70 = 57,581,163.40 : x - Step 2: Convert to fraction form
106,473,735.40/146,934,197.70 = 57,581,163.40/x - Step 3: Cross multiply
106,473,735.40x = 146,934,197.70 × 57,581,163.40 - Step 4: Simplify right side
106,473,735.40x = 8,460,642,046,811,603 - Step 5: Solve for x
x = 8,460,642,046,811,603/106,473,735.40 - Step 6: Final answer
x = 79,462,244.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.