Finding the Fourth Proportional to 139,523,010.00, 209,143,827.71 and 87,744,617.08
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Solution
The fourth proportional to 139,523,010.00, 209,143,827.71 and 87,744,617.08 is: 131,528,448.80
Step by Step Solution
- Step 1: Write the proportion equation
139,523,010.00 : 209,143,827.71 = 87,744,617.08 : x - Step 2: Convert to fraction form
139,523,010.00/209,143,827.71 = 87,744,617.08/x - Step 3: Cross multiply
139,523,010.00x = 209,143,827.71 × 87,744,617.08 - Step 4: Simplify right side
139,523,010.00x = 18,351,245,076,920,028 - Step 5: Solve for x
x = 18,351,245,076,920,028/139,523,010.00 - Step 6: Final answer
x = 131,528,448.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.