Finding the Fourth Proportional to 54,434,901.60, 81,652,352.40 and 24,201,813.60
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Solution
The fourth proportional to 54,434,901.60, 81,652,352.40 and 24,201,813.60 is: 36,302,720.40
Step by Step Solution
- Step 1: Write the proportion equation
54,434,901.60 : 81,652,352.40 = 24,201,813.60 : x - Step 2: Convert to fraction form
54,434,901.60/81,652,352.40 = 24,201,813.60/x - Step 3: Cross multiply
54,434,901.60x = 81,652,352.40 × 24,201,813.60 - Step 4: Simplify right side
54,434,901.60x = 1,976,135,012,786,313 - Step 5: Solve for x
x = 1,976,135,012,786,313/54,434,901.60 - Step 6: Final answer
x = 36,302,720.40
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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.