Finding the Fourth Proportional to 149,237,682.68, 205,945,908.64 and 83,160,965.94
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Solution
The fourth proportional to 149,237,682.68, 205,945,908.64 and 83,160,965.94 is: 114,760,966.44
Step by Step Solution
- Step 1: Write the proportion equation
149,237,682.68 : 205,945,908.64 = 83,160,965.94 : x - Step 2: Convert to fraction form
149,237,682.68/205,945,908.64 = 83,160,965.94/x - Step 3: Cross multiply
149,237,682.68x = 205,945,908.64 × 83,160,965.94 - Step 4: Simplify right side
149,237,682.68x = 17,126,660,693,893,390 - Step 5: Solve for x
x = 17,126,660,693,893,390/149,237,682.68 - Step 6: Final answer
x = 114,760,966.44
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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.