Finding the Fourth Proportional to 186,891,187,740.99, 257,906,477,162.50 and 105,599,265,332.63
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Solution
The fourth proportional to 186,891,187,740.99, 257,906,477,162.50 and 105,599,265,332.63 is: 145,725,086,570.86
Step by Step Solution
- Step 1: Write the proportion equation
186,891,187,740.99 : 257,906,477,162.50 = 105,599,265,332.63 : x - Step 2: Convert to fraction form
186,891,187,740.99/257,906,477,162.50 = 105,599,265,332.63/x - Step 3: Cross multiply
186,891,187,740.99x = 257,906,477,162.50 × 105,599,265,332.63 - Step 4: Simplify right side
186,891,187,740.99x = 27,234,734,512,886,717,087,744 - Step 5: Solve for x
x = 27,234,734,512,886,717,087,744/186,891,187,740.99 - Step 6: Final answer
x = 145,725,086,570.86
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1.5x scale
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.