Finding the Fourth Proportional to 77,097,865.44, 115,634,388.90 and 22,497,631.68
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Solution
The fourth proportional to 77,097,865.44, 115,634,388.90 and 22,497,631.68 is: 33,742,826.42
Step by Step Solution
- Step 1: Write the proportion equation
77,097,865.44 : 115,634,388.90 = 22,497,631.68 : x - Step 2: Convert to fraction form
77,097,865.44/115,634,388.90 = 22,497,631.68/x - Step 3: Cross multiply
77,097,865.44x = 115,634,388.90 × 22,497,631.68 - Step 4: Simplify right side
77,097,865.44x = 2,601,499,891,014,080.50 - Step 5: Solve for x
x = 2,601,499,891,014,080.50/77,097,865.44 - Step 6: Final answer
x = 33,742,826.42
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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.