Finding the Fourth Proportional to 83,843,092,416.94, 125,720,509,007.12 and 57,321,193,756.90
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Solution
The fourth proportional to 83,843,092,416.94, 125,720,509,007.12 and 57,321,193,756.90 is: 85,951,620,440.91
Step by Step Solution
- Step 1: Write the proportion equation
83,843,092,416.94 : 125,720,509,007.12 = 57,321,193,756.90 : x - Step 2: Convert to fraction form
83,843,092,416.94/125,720,509,007.12 = 57,321,193,756.90/x - Step 3: Cross multiply
83,843,092,416.94x = 125,720,509,007.12 × 57,321,193,756.90 - Step 4: Simplify right side
83,843,092,416.94x = 7,206,449,656,013,216,808,960 - Step 5: Solve for x
x = 7,206,449,656,013,216,808,960/83,843,092,416.94 - Step 6: Final answer
x = 85,951,620,440.91
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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.