Finding the Fourth Proportional to 71,075,766.62, 106,620,156.28 and 19,957,440.98
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Solution
The fourth proportional to 71,075,766.62, 106,620,156.28 and 19,957,440.98 is: 29,937,988.40
Step by Step Solution
- Step 1: Write the proportion equation
71,075,766.62 : 106,620,156.28 = 19,957,440.98 : x - Step 2: Convert to fraction form
71,075,766.62/106,620,156.28 = 19,957,440.98/x - Step 3: Cross multiply
71,075,766.62x = 106,620,156.28 × 19,957,440.98 - Step 4: Simplify right side
71,075,766.62x = 2,127,865,476,236,476.50 - Step 5: Solve for x
x = 2,127,865,476,236,476.50/71,075,766.62 - Step 6: Final answer
x = 29,937,988.40
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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.