Finding the Fourth Proportional to 345,457,743.68, 518,277,370.44 and 124,151,427.74
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Solution
The fourth proportional to 345,457,743.68, 518,277,370.44 and 124,151,427.74 is: 186,259,757.33
Step by Step Solution
- Step 1: Write the proportion equation
345,457,743.68 : 518,277,370.44 = 124,151,427.74 : x - Step 2: Convert to fraction form
345,457,743.68/518,277,370.44 = 124,151,427.74/x - Step 3: Cross multiply
345,457,743.68x = 518,277,370.44 × 124,151,427.74 - Step 4: Simplify right side
345,457,743.68x = 64,344,875,505,458,872 - Step 5: Solve for x
x = 64,344,875,505,458,872/345,457,743.68 - Step 6: Final answer
x = 186,259,757.33
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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.