Finding the Fourth Proportional to 146,926,733.86, 202,752,804.12 and 79,945,968.53
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Solution
The fourth proportional to 146,926,733.86, 202,752,804.12 and 79,945,968.53 is: 110,322,123.64
Step by Step Solution
- Step 1: Write the proportion equation
146,926,733.86 : 202,752,804.12 = 79,945,968.53 : x - Step 2: Convert to fraction form
146,926,733.86/202,752,804.12 = 79,945,968.53/x - Step 3: Cross multiply
146,926,733.86x = 202,752,804.12 × 79,945,968.53 - Step 4: Simplify right side
146,926,733.86x = 16,209,269,298,353,454 - Step 5: Solve for x
x = 16,209,269,298,353,454/146,926,733.86 - Step 6: Final answer
x = 110,322,123.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.