Finding the Fourth Proportional to 118,841,281.56, 163,992,757.26 and 65,912,994.84
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Solution
The fourth proportional to 118,841,281.56, 163,992,757.26 and 65,912,994.84 is: 90,955,378.65
Step by Step Solution
- Step 1: Write the proportion equation
118,841,281.56 : 163,992,757.26 = 65,912,994.84 : x - Step 2: Convert to fraction form
118,841,281.56/163,992,757.26 = 65,912,994.84/x - Step 3: Cross multiply
118,841,281.56x = 163,992,757.26 × 65,912,994.84 - Step 4: Simplify right side
118,841,281.56x = 10,809,253,763,075,752 - Step 5: Solve for x
x = 10,809,253,763,075,752/118,841,281.56 - Step 6: Final answer
x = 90,955,378.65
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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.