Finding the Fourth Proportional to 55,274,805.10, 82,912,207.65 and 26,506,132.30
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Solution
The fourth proportional to 55,274,805.10, 82,912,207.65 and 26,506,132.30 is: 39,759,198.45
Step by Step Solution
- Step 1: Write the proportion equation
55,274,805.10 : 82,912,207.65 = 26,506,132.30 : x - Step 2: Convert to fraction form
55,274,805.10/82,912,207.65 = 26,506,132.30/x - Step 3: Cross multiply
55,274,805.10x = 82,912,207.65 × 26,506,132.30 - Step 4: Simplify right side
55,274,805.10x = 2,197,681,945,255,972.25 - Step 5: Solve for x
x = 2,197,681,945,255,972.25/55,274,805.10 - Step 6: Final answer
x = 39,759,198.45
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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.