Finding the Fourth Proportional to 35,157,907.98, 48,513,311.94 and 20,273,781.75
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Solution
The fourth proportional to 35,157,907.98, 48,513,311.94 and 20,273,781.75 is: 27,975,165.61
Step by Step Solution
- Step 1: Write the proportion equation
35,157,907.98 : 48,513,311.94 = 20,273,781.75 : x - Step 2: Convert to fraction form
35,157,907.98/48,513,311.94 = 20,273,781.75/x - Step 3: Cross multiply
35,157,907.98x = 48,513,311.94 × 20,273,781.75 - Step 4: Simplify right side
35,157,907.98x = 983,548,298,241,229 - Step 5: Solve for x
x = 983,548,298,241,229/35,157,907.98 - Step 6: Final answer
x = 27,975,165.61
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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.