Finding the Fourth Proportional to 93,313,157.70, 139,969,736.55 and 53,002,373.70
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Solution
The fourth proportional to 93,313,157.70, 139,969,736.55 and 53,002,373.70 is: 79,503,560.55
Step by Step Solution
- Step 1: Write the proportion equation
93,313,157.70 : 139,969,736.55 = 53,002,373.70 : x - Step 2: Convert to fraction form
93,313,157.70/139,969,736.55 = 53,002,373.70/x - Step 3: Cross multiply
93,313,157.70x = 139,969,736.55 × 53,002,373.70 - Step 4: Simplify right side
93,313,157.70x = 7,418,728,283,313,650 - Step 5: Solve for x
x = 7,418,728,283,313,650/93,313,157.70 - Step 6: Final answer
x = 79,503,560.55
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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.