Finding the Fourth Proportional to 119,122,302.11, 164,392,768.56 and 66,201,240.11
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Solution
The fourth proportional to 119,122,302.11, 164,392,768.56 and 66,201,240.11 is: 91,359,929.67
Step by Step Solution
- Step 1: Write the proportion equation
119,122,302.11 : 164,392,768.56 = 66,201,240.11 : x - Step 2: Convert to fraction form
119,122,302.11/164,392,768.56 = 66,201,240.11/x - Step 3: Cross multiply
119,122,302.11x = 164,392,768.56 × 66,201,240.11 - Step 4: Simplify right side
119,122,302.11x = 10,883,005,142,966,254 - Step 5: Solve for x
x = 10,883,005,142,966,254/119,122,302.11 - Step 6: Final answer
x = 91,359,929.67
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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.