Finding the Fourth Proportional to 54,082,979,985.74, 74,548,276,884.14 and 42,632,876,378.74
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Solution
The fourth proportional to 54,082,979,985.74, 74,548,276,884.14 and 42,632,876,378.74 is: 58,765,391,135.77
Step by Step Solution
- Step 1: Write the proportion equation
54,082,979,985.74 : 74,548,276,884.14 = 42,632,876,378.74 : x - Step 2: Convert to fraction form
54,082,979,985.74/74,548,276,884.14 = 42,632,876,378.74/x - Step 3: Cross multiply
54,082,979,985.74x = 74,548,276,884.14 × 42,632,876,378.74 - Step 4: Simplify right side
54,082,979,985.74x = 3,178,207,472,649,749,135,360 - Step 5: Solve for x
x = 3,178,207,472,649,749,135,360/54,082,979,985.74 - Step 6: Final answer
x = 58,765,391,135.77
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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.