Finding the Fourth Proportional to 35,157,909.41, 48,513,313.92 and 20,273,783.18
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Solution
The fourth proportional to 35,157,909.41, 48,513,313.92 and 20,273,783.18 is: 27,975,167.58
Step by Step Solution
- Step 1: Write the proportion equation
35,157,909.41 : 48,513,313.92 = 20,273,783.18 : x - Step 2: Convert to fraction form
35,157,909.41/48,513,313.92 = 20,273,783.18/x - Step 3: Cross multiply
35,157,909.41x = 48,513,313.92 × 20,273,783.18 - Step 4: Simplify right side
35,157,909.41x = 983,548,407,476,776 - Step 5: Solve for x
x = 983,548,407,476,776/35,157,909.41 - Step 6: Final answer
x = 27,975,167.58
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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.