Finding the Fourth Proportional to 66,103,259.58, 91,126,354.14 and 46,195,217.33
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Solution
The fourth proportional to 66,103,259.58, 91,126,354.14 and 46,195,217.33 is: 63,682,211.14
Step by Step Solution
- Step 1: Write the proportion equation
66,103,259.58 : 91,126,354.14 = 46,195,217.33 : x - Step 2: Convert to fraction form
66,103,259.58/91,126,354.14 = 46,195,217.33/x - Step 3: Cross multiply
66,103,259.58x = 91,126,354.14 × 46,195,217.33 - Step 4: Simplify right side
66,103,259.58x = 4,209,601,733,532,214 - Step 5: Solve for x
x = 4,209,601,733,532,214/66,103,259.58 - Step 6: Final answer
x = 63,682,211.14
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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.