Finding the Fourth Proportional to 75,237,361.16, 103,722,603.36 and 50,461,975.40
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Solution
The fourth proportional to 75,237,361.16, 103,722,603.36 and 50,461,975.40 is: 69,567,132.32
Step by Step Solution
- Step 1: Write the proportion equation
75,237,361.16 : 103,722,603.36 = 50,461,975.40 : x - Step 2: Convert to fraction form
75,237,361.16/103,722,603.36 = 50,461,975.40/x - Step 3: Cross multiply
75,237,361.16x = 103,722,603.36 × 50,461,975.40 - Step 4: Simplify right side
75,237,361.16x = 5,234,047,458,657,665 - Step 5: Solve for x
x = 5,234,047,458,657,665/75,237,361.16 - Step 6: Final answer
x = 69,567,132.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.