Finding the Fourth Proportional to 48,372,243.36, 72,557,913.84 and 19,611,542.16
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Solution
The fourth proportional to 48,372,243.36, 72,557,913.84 and 19,611,542.16 is: 29,417,130.31
Step by Step Solution
- Step 1: Write the proportion equation
48,372,243.36 : 72,557,913.84 = 19,611,542.16 : x - Step 2: Convert to fraction form
48,372,243.36/72,557,913.84 = 19,611,542.16/x - Step 3: Cross multiply
48,372,243.36x = 72,557,913.84 × 19,611,542.16 - Step 4: Simplify right side
48,372,243.36x = 1,422,972,586,314,807.50 - Step 5: Solve for x
x = 1,422,972,586,314,807.50/48,372,243.36 - Step 6: Final answer
x = 29,417,130.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.