Finding the Fourth Proportional to 129,163,102,403.60, 193,744,653,605.40 and 129,163,102,403.60
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Solution
The fourth proportional to 129,163,102,403.60, 193,744,653,605.40 and 129,163,102,403.60 is: 193,744,653,605.40
Step by Step Solution
- Step 1: Write the proportion equation
129,163,102,403.60 : 193,744,653,605.40 = 129,163,102,403.60 : x - Step 2: Convert to fraction form
129,163,102,403.60/193,744,653,605.40 = 129,163,102,403.60/x - Step 3: Cross multiply
129,163,102,403.60x = 193,744,653,605.40 × 129,163,102,403.60 - Step 4: Simplify right side
129,163,102,403.60x = 25,024,660,533,784,290,000,896 - Step 5: Solve for x
x = 25,024,660,533,784,290,000,896/129,163,102,403.60 - Step 6: Final answer
x = 193,744,653,605.40
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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.