Finding the Fourth Proportional to 71,199,227.20, 106,798,840.80 and 46,540,364.80
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Solution
The fourth proportional to 71,199,227.20, 106,798,840.80 and 46,540,364.80 is: 69,810,547.20
Step by Step Solution
- Step 1: Write the proportion equation
71,199,227.20 : 106,798,840.80 = 46,540,364.80 : x - Step 2: Convert to fraction form
71,199,227.20/106,798,840.80 = 46,540,364.80/x - Step 3: Cross multiply
71,199,227.20x = 106,798,840.80 × 46,540,364.80 - Step 4: Simplify right side
71,199,227.20x = 4,970,457,011,049,123 - Step 5: Solve for x
x = 4,970,457,011,049,123/71,199,227.20 - Step 6: Final answer
x = 69,810,547.20
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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.