Finding the Fourth Proportional to 85,457,184.84, 117,930,755.52 and 46,299,934.80
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Solution
The fourth proportional to 85,457,184.84, 117,930,755.52 and 46,299,934.80 is: 63,893,823.58
Step by Step Solution
- Step 1: Write the proportion equation
85,457,184.84 : 117,930,755.52 = 46,299,934.80 : x - Step 2: Convert to fraction form
85,457,184.84/117,930,755.52 = 46,299,934.80/x - Step 3: Cross multiply
85,457,184.84x = 117,930,755.52 × 46,299,934.80 - Step 4: Simplify right side
85,457,184.84x = 5,460,186,291,490,740 - Step 5: Solve for x
x = 5,460,186,291,490,740/85,457,184.84 - Step 6: Final answer
x = 63,893,823.58
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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.