Finding the Fourth Proportional to 84,135,788,907.11, 126,211,441,666.72 and 27,475,948,860.96
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Solution
The fourth proportional to 84,135,788,907.11, 126,211,441,666.72 and 27,475,948,860.96 is: 41,216,456,896.02
Step by Step Solution
- Step 1: Write the proportion equation
84,135,788,907.11 : 126,211,441,666.72 = 27,475,948,860.96 : x - Step 2: Convert to fraction form
84,135,788,907.11/126,211,441,666.72 = 27,475,948,860.96/x - Step 3: Cross multiply
84,135,788,907.11x = 126,211,441,666.72 × 27,475,948,860.96 - Step 4: Simplify right side
84,135,788,907.11x = 3,467,779,116,902,456,492,032 - Step 5: Solve for x
x = 3,467,779,116,902,456,492,032/84,135,788,907.11 - Step 6: Final answer
x = 41,216,456,896.02
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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.