Finding the Fourth Proportional to 66,331,125,003.30, 99,496,687,504.95 and 54,553,542,137.70
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Solution
The fourth proportional to 66,331,125,003.30, 99,496,687,504.95 and 54,553,542,137.70 is: 81,830,313,206.55
Step by Step Solution
- Step 1: Write the proportion equation
66,331,125,003.30 : 99,496,687,504.95 = 54,553,542,137.70 : x - Step 2: Convert to fraction form
66,331,125,003.30/99,496,687,504.95 = 54,553,542,137.70/x - Step 3: Cross multiply
66,331,125,003.30x = 99,496,687,504.95 × 54,553,542,137.70 - Step 4: Simplify right side
66,331,125,003.30x = 5,427,896,734,362,858,684,416 - Step 5: Solve for x
x = 5,427,896,734,362,858,684,416/66,331,125,003.30 - Step 6: Final answer
x = 81,830,313,206.55
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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.