Finding the Fourth Proportional to 135,937,396,425.95, 187,593,793,109.74 and 74,138,115,491.60
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Solution
The fourth proportional to 135,937,396,425.95, 187,593,793,109.74 and 74,138,115,491.60 is: 102,310,700,842.74
Step by Step Solution
- Step 1: Write the proportion equation
135,937,396,425.95 : 187,593,793,109.74 = 74,138,115,491.60 : x - Step 2: Convert to fraction form
135,937,396,425.95/187,593,793,109.74 = 74,138,115,491.60/x - Step 3: Cross multiply
135,937,396,425.95x = 187,593,793,109.74 × 74,138,115,491.60 - Step 4: Simplify right side
135,937,396,425.95x = 13,907,850,299,076,281,106,432 - Step 5: Solve for x
x = 13,907,850,299,076,281,106,432/135,937,396,425.95 - Step 6: Final answer
x = 102,310,700,842.74
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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.