Finding the Fourth Proportional to 71,075,771.12, 106,620,163.02 and 19,957,445.48
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Solution
The fourth proportional to 71,075,771.12, 106,620,163.02 and 19,957,445.48 is: 29,937,995.14
Step by Step Solution
- Step 1: Write the proportion equation
71,075,771.12 : 106,620,163.02 = 19,957,445.48 : x - Step 2: Convert to fraction form
71,075,771.12/106,620,163.02 = 19,957,445.48/x - Step 3: Cross multiply
71,075,771.12x = 106,620,163.02 × 19,957,445.48 - Step 4: Simplify right side
71,075,771.12x = 2,127,866,090,540,362 - Step 5: Solve for x
x = 2,127,866,090,540,362/71,075,771.12 - Step 6: Final answer
x = 29,937,995.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.