Finding the Fourth Proportional to 70,102,772.75, 105,060,163.37 and 54,559,369.08
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Solution
The fourth proportional to 70,102,772.75, 105,060,163.37 and 54,559,369.08 is: 81,765,898.89
Step by Step Solution
- Step 1: Write the proportion equation
70,102,772.75 : 105,060,163.37 = 54,559,369.08 : x - Step 2: Convert to fraction form
70,102,772.75/105,060,163.37 = 54,559,369.08/x - Step 3: Cross multiply
70,102,772.75x = 105,060,163.37 × 54,559,369.08 - Step 4: Simplify right side
70,102,772.75x = 5,732,016,228,908,927 - Step 5: Solve for x
x = 5,732,016,228,908,927/70,102,772.75 - Step 6: Final answer
x = 81,765,898.89
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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.