Finding the Fourth Proportional to 76,957,011.70, 106,202,395.23 and 43,916,603.02
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Solution
The fourth proportional to 76,957,011.70, 106,202,395.23 and 43,916,603.02 is: 60,605,893.19
Step by Step Solution
- Step 1: Write the proportion equation
76,957,011.70 : 106,202,395.23 = 43,916,603.02 : x - Step 2: Convert to fraction form
76,957,011.70/106,202,395.23 = 43,916,603.02/x - Step 3: Cross multiply
76,957,011.70x = 106,202,395.23 × 43,916,603.02 - Step 4: Simplify right side
76,957,011.70x = 4,664,048,431,089,052 - Step 5: Solve for x
x = 4,664,048,431,089,052/76,957,011.70 - Step 6: Final answer
x = 60,605,893.19
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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.