Finding the Fourth Proportional to 132,988,795.74, 199,483,181.77 and 67,399,716.70
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Solution
The fourth proportional to 132,988,795.74, 199,483,181.77 and 67,399,716.70 is: 101,099,569.05
Step by Step Solution
- Step 1: Write the proportion equation
132,988,795.74 : 199,483,181.77 = 67,399,716.70 : x - Step 2: Convert to fraction form
132,988,795.74/199,483,181.77 = 67,399,716.70/x - Step 3: Cross multiply
132,988,795.74x = 199,483,181.77 × 67,399,716.70 - Step 4: Simplify right side
132,988,795.74x = 13,445,109,937,712,606 - Step 5: Solve for x
x = 13,445,109,937,712,606/132,988,795.74 - Step 6: Final answer
x = 101,099,569.05
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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.