Finding the Fourth Proportional to 73,915,497.80, 110,873,246.70 and 20,062,809.80
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Solution
The fourth proportional to 73,915,497.80, 110,873,246.70 and 20,062,809.80 is: 30,094,214.70
Step by Step Solution
- Step 1: Write the proportion equation
73,915,497.80 : 110,873,246.70 = 20,062,809.80 : x - Step 2: Convert to fraction form
73,915,497.80/110,873,246.70 = 20,062,809.80/x - Step 3: Cross multiply
73,915,497.80x = 110,873,246.70 × 20,062,809.80 - Step 4: Simplify right side
73,915,497.80x = 2,224,428,860,450,577.75 - Step 5: Solve for x
x = 2,224,428,860,450,577.75/73,915,497.80 - Step 6: Final answer
x = 30,094,214.70
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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.