Finding the Fourth Proportional to 70,362,687.68, 105,542,536.80 and 19,244,706.56
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Solution
The fourth proportional to 70,362,687.68, 105,542,536.80 and 19,244,706.56 is: 28,866,651.02
Step by Step Solution
- Step 1: Write the proportion equation
70,362,687.68 : 105,542,536.80 = 19,244,706.56 : x - Step 2: Convert to fraction form
70,362,687.68/105,542,536.80 = 19,244,706.56/x - Step 3: Cross multiply
70,362,687.68x = 105,542,536.80 × 19,244,706.56 - Step 4: Simplify right side
70,362,687.68x = 2,031,135,150,314,001.25 - Step 5: Solve for x
x = 2,031,135,150,314,001.25/70,362,687.68 - Step 6: Final answer
x = 28,866,651.02
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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.