Finding the Fourth Proportional to 138,485,426,310.05, 207,457,608,279.50 and 95,402,941,495.08
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Solution
The fourth proportional to 138,485,426,310.05, 207,457,608,279.50 and 95,402,941,495.08 is: 142,918,042,661.66
Step by Step Solution
- Step 1: Write the proportion equation
138,485,426,310.05 : 207,457,608,279.50 = 95,402,941,495.08 : x - Step 2: Convert to fraction form
138,485,426,310.05/207,457,608,279.50 = 95,402,941,495.08/x - Step 3: Cross multiply
138,485,426,310.05x = 207,457,608,279.50 × 95,402,941,495.08 - Step 4: Simplify right side
138,485,426,310.05x = 19,792,066,065,398,365,159,424 - Step 5: Solve for x
x = 19,792,066,065,398,365,159,424/138,485,426,310.05 - Step 6: Final answer
x = 142,918,042,661.66
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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.