Finding the Fourth Proportional to 84,281,539.14, 116,307,645 and 49,467,503.49
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Solution
The fourth proportional to 84,281,539.14, 116,307,645 and 49,467,503.49 is: 68,264,638.90
Step by Step Solution
- Step 1: Write the proportion equation
84,281,539.14 : 116,307,645 = 49,467,503.49 : x - Step 2: Convert to fraction form
84,281,539.14/116,307,645 = 49,467,503.49/x - Step 3: Cross multiply
84,281,539.14x = 116,307,645 × 49,467,503.49 - Step 4: Simplify right side
84,281,539.14x = 5,753,448,834,951,181 - Step 5: Solve for x
x = 5,753,448,834,951,181/84,281,539.14 - Step 6: Final answer
x = 68,264,638.90
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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.