Finding the Fourth Proportional to 53,273,262.48, 79,919,973.36 and 16,890,816.48
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Solution
The fourth proportional to 53,273,262.48, 79,919,973.36 and 16,890,816.48 is: 25,339,420.57
Step by Step Solution
- Step 1: Write the proportion equation
53,273,262.48 : 79,919,973.36 = 16,890,816.48 : x - Step 2: Convert to fraction form
53,273,262.48/79,919,973.36 = 16,890,816.48/x - Step 3: Cross multiply
53,273,262.48x = 79,919,973.36 × 16,890,816.48 - Step 4: Simplify right side
53,273,262.48x = 1,349,913,603,110,249 - Step 5: Solve for x
x = 1,349,913,603,110,249/53,273,262.48 - Step 6: Final answer
x = 25,339,420.57
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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.