Finding the Fourth Proportional to 63,938,371.41, 88,241,790.42 and 39,174,992.28
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Solution
The fourth proportional to 63,938,371.41, 88,241,790.42 and 39,174,992.28 is: 54,065,678.91
Step by Step Solution
- Step 1: Write the proportion equation
63,938,371.41 : 88,241,790.42 = 39,174,992.28 : x - Step 2: Convert to fraction form
63,938,371.41/88,241,790.42 = 39,174,992.28/x - Step 3: Cross multiply
63,938,371.41x = 88,241,790.42 × 39,174,992.28 - Step 4: Simplify right side
63,938,371.41x = 3,456,871,458,476,878 - Step 5: Solve for x
x = 3,456,871,458,476,878/63,938,371.41 - Step 6: Final answer
x = 54,065,678.91
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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.