Finding the Fourth Proportional to 117,452,452.32, 176,176,812.24 and 28,821,973.68
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Solution
The fourth proportional to 117,452,452.32, 176,176,812.24 and 28,821,973.68 is: 43,232,502.56
Step by Step Solution
- Step 1: Write the proportion equation
117,452,452.32 : 176,176,812.24 = 28,821,973.68 : x - Step 2: Convert to fraction form
117,452,452.32/176,176,812.24 = 28,821,973.68/x - Step 3: Cross multiply
117,452,452.32x = 176,176,812.24 × 28,821,973.68 - Step 4: Simplify right side
117,452,452.32x = 5,077,763,445,407,582 - Step 5: Solve for x
x = 5,077,763,445,407,582/117,452,452.32 - Step 6: Final answer
x = 43,232,502.56
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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.