Finding the Fourth Proportional to 74,021,418.71, 110,953,396.05 and 27,943,712.54
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Solution
The fourth proportional to 74,021,418.71, 110,953,396.05 and 27,943,712.54 is: 41,885,846.81
Step by Step Solution
- Step 1: Write the proportion equation
74,021,418.71 : 110,953,396.05 = 27,943,712.54 : x - Step 2: Convert to fraction form
74,021,418.71/110,953,396.05 = 27,943,712.54/x - Step 3: Cross multiply
74,021,418.71x = 110,953,396.05 × 27,943,712.54 - Step 4: Simplify right side
74,021,418.71x = 3,100,449,804,557,971.50 - Step 5: Solve for x
x = 3,100,449,804,557,971.50/74,021,418.71 - Step 6: Final answer
x = 41,885,846.81
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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.