Finding the Fourth Proportional to 90,410,302,032.70, 135,615,453,049.05 and 27,525,101,079.10
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Solution
The fourth proportional to 90,410,302,032.70, 135,615,453,049.05 and 27,525,101,079.10 is: 41,287,651,618.65
Step by Step Solution
- Step 1: Write the proportion equation
90,410,302,032.70 : 135,615,453,049.05 = 27,525,101,079.10 : x - Step 2: Convert to fraction form
90,410,302,032.70/135,615,453,049.05 = 27,525,101,079.10/x - Step 3: Cross multiply
90,410,302,032.70x = 135,615,453,049.05 × 27,525,101,079.10 - Step 4: Simplify right side
90,410,302,032.70x = 3,732,829,053,063,041,384,448 - Step 5: Solve for x
x = 3,732,829,053,063,041,384,448/90,410,302,032.70 - Step 6: Final answer
x = 41,287,651,618.65
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.