Finding the Fourth Proportional to 119,122,286.19, 164,392,746.69 and 66,201,223.99
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Solution
The fourth proportional to 119,122,286.19, 164,392,746.69 and 66,201,223.99 is: 91,359,907.48
Step by Step Solution
- Step 1: Write the proportion equation
119,122,286.19 : 164,392,746.69 = 66,201,223.99 : x - Step 2: Convert to fraction form
119,122,286.19/164,392,746.69 = 66,201,223.99/x - Step 3: Cross multiply
119,122,286.19x = 164,392,746.69 × 66,201,223.99 - Step 4: Simplify right side
119,122,286.19x = 10,883,001,046,037,716 - Step 5: Solve for x
x = 10,883,001,046,037,716/119,122,286.19 - Step 6: Final answer
x = 91,359,907.48
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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.