Finding the Fourth Proportional to 149,237,682.93, 205,945,908.99 and 83,160,966.20
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Solution
The fourth proportional to 149,237,682.93, 205,945,908.99 and 83,160,966.20 is: 114,760,966.80
Step by Step Solution
- Step 1: Write the proportion equation
149,237,682.93 : 205,945,908.99 = 83,160,966.20 : x - Step 2: Convert to fraction form
149,237,682.93/205,945,908.99 = 83,160,966.20/x - Step 3: Cross multiply
149,237,682.93x = 205,945,908.99 × 83,160,966.20 - Step 4: Simplify right side
149,237,682.93x = 17,126,660,775,515,936 - Step 5: Solve for x
x = 17,126,660,775,515,936/149,237,682.93 - Step 6: Final answer
x = 114,760,966.80
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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.