Finding the Fourth Proportional to 129,549,993,788.24, 194,351,494,711.80 and 44,548,748,807.12
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Solution
The fourth proportional to 129,549,993,788.24, 194,351,494,711.80 and 44,548,748,807.12 is: 66,832,237,231.57
Step by Step Solution
- Step 1: Write the proportion equation
129,549,993,788.24 : 194,351,494,711.80 = 44,548,748,807.12 : x - Step 2: Convert to fraction form
129,549,993,788.24/194,351,494,711.80 = 44,548,748,807.12/x - Step 3: Cross multiply
129,549,993,788.24x = 194,351,494,711.80 × 44,548,748,807.12 - Step 4: Simplify right side
129,549,993,788.24x = 8,658,115,918,204,289,155,072 - Step 5: Solve for x
x = 8,658,115,918,204,289,155,072/129,549,993,788.24 - Step 6: Final answer
x = 66,832,237,231.57
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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.