Finding the Fourth Proportional to 53,273,257.48, 79,919,965.86 and 16,890,811.48
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Solution
The fourth proportional to 53,273,257.48, 79,919,965.86 and 16,890,811.48 is: 25,339,413.07
Step by Step Solution
- Step 1: Write the proportion equation
53,273,257.48 : 79,919,965.86 = 16,890,811.48 : x - Step 2: Convert to fraction form
53,273,257.48/79,919,965.86 = 16,890,811.48/x - Step 3: Cross multiply
53,273,257.48x = 79,919,965.86 × 16,890,811.48 - Step 4: Simplify right side
53,273,257.48x = 1,349,913,076,829,296 - Step 5: Solve for x
x = 1,349,913,076,829,296/53,273,257.48 - Step 6: Final answer
x = 25,339,413.07
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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.