Finding the Fourth Proportional to 231,523,980.68, 347,021,800.38 and 93,261,116.23
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Solution
The fourth proportional to 231,523,980.68, 347,021,800.38 and 93,261,116.23 is: 139,785,262.69
Step by Step Solution
- Step 1: Write the proportion equation
231,523,980.68 : 347,021,800.38 = 93,261,116.23 : x - Step 2: Convert to fraction form
231,523,980.68/347,021,800.38 = 93,261,116.23/x - Step 3: Cross multiply
231,523,980.68x = 347,021,800.38 × 93,261,116.23 - Step 4: Simplify right side
231,523,980.68x = 32,363,640,458,715,484 - Step 5: Solve for x
x = 32,363,640,458,715,484/231,523,980.68 - Step 6: Final answer
x = 139,785,262.69
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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.