Finding the Fourth Proportional to 89,703,984.44, 134,587,203.06 and 28,302,623.48
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Solution
The fourth proportional to 89,703,984.44, 134,587,203.06 and 28,302,623.48 is: 42,463,787.50
Step by Step Solution
- Step 1: Write the proportion equation
89,703,984.44 : 134,587,203.06 = 28,302,623.48 : x - Step 2: Convert to fraction form
89,703,984.44/134,587,203.06 = 28,302,623.48/x - Step 3: Cross multiply
89,703,984.44x = 134,587,203.06 × 28,302,623.48 - Step 4: Simplify right side
89,703,984.44x = 3,809,170,933,433,484 - Step 5: Solve for x
x = 3,809,170,933,433,484/89,703,984.44 - Step 6: Final answer
x = 42,463,787.50
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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.