Finding the Fourth Proportional to 45,713,671.44, 68,566,308.12 and 15,421,796.88
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Solution
The fourth proportional to 45,713,671.44, 68,566,308.12 and 15,421,796.88 is: 23,131,278.75
Step by Step Solution
- Step 1: Write the proportion equation
45,713,671.44 : 68,566,308.12 = 15,421,796.88 : x - Step 2: Convert to fraction form
45,713,671.44/68,566,308.12 = 15,421,796.88/x - Step 3: Cross multiply
45,713,671.44x = 68,566,308.12 × 15,421,796.88 - Step 4: Simplify right side
45,713,671.44x = 1,057,415,676,638,134.75 - Step 5: Solve for x
x = 1,057,415,676,638,134.75/45,713,671.44 - Step 6: Final answer
x = 23,131,278.75
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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.