Finding the Fourth Proportional to 71,058,722.59, 106,598,251.53 and 21,878,737.08
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Solution
The fourth proportional to 71,058,722.59, 106,598,251.53 and 21,878,737.08 is: 32,821,236.20
Step by Step Solution
- Step 1: Write the proportion equation
71,058,722.59 : 106,598,251.53 = 21,878,737.08 : x - Step 2: Convert to fraction form
71,058,722.59/106,598,251.53 = 21,878,737.08/x - Step 3: Cross multiply
71,058,722.59x = 106,598,251.53 × 21,878,737.08 - Step 4: Simplify right side
71,058,722.59x = 2,332,235,118,255,365 - Step 5: Solve for x
x = 2,332,235,118,255,365/71,058,722.59 - Step 6: Final answer
x = 32,821,236.20
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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.