Finding the Fourth Proportional to 71,939,720.14, 99,270,815.70 and 40,576,040.62
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Solution
The fourth proportional to 71,939,720.14, 99,270,815.70 and 40,576,040.62 is: 55,991,552.96
Step by Step Solution
- Step 1: Write the proportion equation
71,939,720.14 : 99,270,815.70 = 40,576,040.62 : x - Step 2: Convert to fraction form
71,939,720.14/99,270,815.70 = 40,576,040.62/x - Step 3: Cross multiply
71,939,720.14x = 99,270,815.70 × 40,576,040.62 - Step 4: Simplify right side
71,939,720.14x = 4,028,016,650,223,733.50 - Step 5: Solve for x
x = 4,028,016,650,223,733.50/71,939,720.14 - Step 6: Final answer
x = 55,991,552.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.